R22BU-NSB – Incorrectly Routed Fuel Line – 2022-2023 Blue Bird Vision Transit Buses

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BLUE BIRD BODY COMPANY 3920 Arkwright Road, Suite 200, Macon, GA 31210 – (478) 825-2021 R22BU FINAL NOTICE DATE: January 5, 2023 TO: Blue Bird Owners Subject: R22BU: Ford 7.3L 100-Gallon Gasoline Supply Line Routing According to our records, we have not received confirmation that the above referenced recall, dated June 14, 2022, has been completed. A copy of Recall R22BU is attached. Your buses affected by Recall R22BU are identified by Blue Bird body number and VIN under Section 2 on the enclosed cover sheet. If this is the first time you received notification of Recall R22BU, please read the enclosed notification carefully. Recall R22BU must be completed, as soon as possible. Corrective Action: To correct this condition, a frame mounted clamping point must be removed and relocated to allow proper routing for the affected gasoline supply line. The affected gasoline supply line should also be inspected and replaced if any signs of wear or damage are observed. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the vehicle owner. Please contact your local Blue Bird dealer to arrange to have the Recall performed and to ensure parts are available at the dealership. To locate an authorized dealer, search online at www.blue-bird.com/find-a-dealer . Recall R22BU should be inspected and repaired, per R22BU Recall Instructions. You may request parts at [email protected] Administering the Recall and Parts: Parts to complete Recall R22BU are currently available. You may request parts through [email protected] Labor Reimbursement: Blue Bird will reimburse the labor cost of repairs relating to this recall at no cost to you the vehicle owner. Thank you for your prompt attention to this matter. BLUE BIRD BODY COMPANY 3920 Arkwright Road, Suite 200, Macon, GA 31210 – (478) 825-2021 R22BU IMPORTANT SAFETY RECALL NOTICE NHTSA Recall Number: 22V-274 School Bus NHTSA Recall Number: 22V-275 Non-School Bus DATE: June 14, 2022 SUBJECT: R22BU: Ford 7.3L 100-Gallon Gasoline Supply Line Routing Dear Blue Bird Owner: This important safety recall notice applies to your bus(es) identified by both Blue Bird Body Number and Vehicle Identification Number (VIN) on the enclosed yellow cover sheet. If you no longer own the subject bus(es), please complete the appropriate section of the yellow cover sheet and return to Blue Bird in the enclosed pink postage prepaid envelope. This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Blue Bird Body Company is voluntarily recalling the following:  Certain model year 2022-2023 Blue Bird Vision School Buses o manufactured from May 3, 2021 through April 13, 2022  Certain model year 2022-2023 Blue Bird Vision Non-School Buses o manufactured from June 23, 2021 through October 29, 2021 On the subject buses, it has been determined on certain Blue Bird Vision Buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating a potential for a fuel leak. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Blue Bird has evaluated the risk to motor vehicle safety related to this condition which could lead to damage of the gasoline supply line creating a potential for a fuel leak. A gasoline supply line fuel leak could increase the risk of a fire with the affected units. Corrective Action: To correct this condition, a frame mounted clamping point must be removed and relocated to allow proper routing for the affected gasoline supply line. The affected gasoline supply line should also be inspected and replaced if any signs of wear or damage are observed. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the vehicle owner. Please contact your local Blue Bird dealer to arrange to have the Recall performed and to ensure parts are available at the dealership. To locate an authorized dealer, search online at www.blue-bird.com/find-a-dealer . Recall R22BU should be inspected and repaired, per R22BU Recall Instructions. You may request parts at [email protected] Parts will be available on or before August 11, 2022. Labor Reimbursement: Blue Bird will reimburse the labor cost of the repairs related to this recall at no cost to you the vehicle owner. The standard repair time (SRT) to accomplish these repairs in accordance with the R22BU remedy procedure(s) is outlined below. BLUE BIRD BODY COMPANY 3920 Arkwright Road, Suite 200, Macon, GA 31210 – (478) 825-2021 Blue Bird Body Company R22BU Page 2 Repair Options and allowable labor times for this campaign, outlined as follows: Labor Reimbursement: (continued) Repair Options and allowable labor times for this campaign, outlined as follows: Repair A: Inspection Only  0.1 Hours (6 minutes) Repair B: Inspect and Repair (if necessary)  0.5 Hours (30 minutes) Repair C: Inspect and Replace Supply Line (if necessary)  1 Hour (60 minutes) Administering the Recall and Parts: Parts to complete Recall R22BU will be available on or before August 11, 2022. You may request parts through [email protected] Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. If the modifications directed by this notification were performed on your bus prior to the receipt of this recall notification, attach a copy of the work order/invoice. Mail the documents in the pink self-addressed postage prepaid envelope included with the pink reply sheet to Blue Bird for warranty consideration. Reimbursements will be made in accordance with the requirements of the National Highway Transportation Safety Act, Title 49 Code of Federal Regulations, Parts 573 and 577. Please contact your local Blue Bird Dealer with any questions regarding this recall campaign. If Blue Bird Body Company should fail to or is unable to remedy this condition without charge to you, you may contact: ADMINISTRATOR NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION 1200 NEW JERSEY AVENUE, SE WASHINGTON, D.C. 20590 Or, you may call The National Highway Traffic Safety Administration toll free at: 1-888-327-4236 TTY 1-800-424-9153 or go to: http:/www.safercar.gov 1 R22BU: Gasoline RECALL Supply Line Rubbing Condition on Ford 7.3L Models Affected: Certain model year 2022 and 2023 Blue Bird Visions, equipped with the 7.3L gasoline engine and 100-gallon fuel tank. Issue: Improper routing and securement of the fuel line could cause unintended contact with certain fasteners on the chassis and cause a potential fuel leak. Corrective Action: Inspect the fuel supply line for proper routing and determine if further action(s) are necessary. Possible corrective actions are relocating clamp position and/or replacement of the fuel supply line. Reference Figures 1-4 for proper routing and securement. WARNING: Always follow all Federal, State, Local and Shop safety standards and use proper safety equipment, and thoroughly read and understand all instructions before performing these procedures. Park bus on level surface, apply parking brake, turn off ignition key, and chock wheels. NOTE: Access to inspect and make repairs is gained by sitting up in front of the fuel tank, reaching above the crossmember. This is likely a 2-person repair, due to the reach length of both sides of the fastener. NOTE: After visual inspection results, only one of the following repairs will be needed:  Repair A – Inspection Only – Inspection finds no physical damage to the fuel line, and is routed properly, per Figure 1 o No action required  Repair B – Inspect and Re-route – Inspection finds no physical damage to the gasoline fuel pressure line, but it is routed improperly o Remove tie-wrap securing fuel line, per Figure 5 o Re-locate, clock, and install tie-wrap anchor, per Figure 6, 7, and 8. If missing, install item 4, 5, and 6 from the parts list below into the location noted in Figure 7. o Re-position fuel line and secure, per Figure 8  Repair C – Inspect and Replace – Inspection finds physical damage to the fuel line o Remove 25A fuel pump fuse from chassis PCB at location 16. o Start engine and allow to stall. Once the engine stalls, crank the engine again to ensure fuel rail pressure is depleted. o Disconnect the negative battery cable o Remove and replace the fuel line. Ensure proper routing, per Figure 1, 2, 8, and 9 and secure.  It may be necessary to re-locate the fuel line anchor on the tank. If so, cut a 1-inch section of Item 2 listed below and secure to the tank. Then secure the line to the bulb seal with Item #1. See Figure 10 o Re-install negative battery cable and 25A fuse previously removed from location 16 on the chassis PCB o Cycle the key to the ON position, pause 3-5 seconds and turn the key to the OFF position. Wait 20 seconds, and turn key to the ON position. Pause 3-5 seconds then turn key to the OFF position. Proceed to inspect each end of the fuel line for any fuel leaks. Repair as necessary o Start the engine and verify no leaks o Connect IDS and clear/reset faults. Return unit to service. 2 R22BU: Gasoline RECALL Supply Line Rubbing Condition on Ford 7.3L Parts/Items Needed: Item Part Number Description Quantity Repair 1 00029998 TIE, CABLE, 250LB 2 A, B, C 2 01377274 EXTRUSION, RUBBER, UPPER DOOR SEAL 36 DR AA 1 C only 3 10073820 FUEL LINE, GAS, SUPPLY SECTION 3, 100 GAL, 2022 1 C only 4 10046602 MOUNT, CABLE TIE, HD,.375 HOLE, W/BUSHING 1 B only if missing 5 00803213 CAPSCREW, HEX HD,3/8-16X1 1/4, GR8, YEL ZNDICH 1 B only if missing 6 01013689 NUT, HEX HD,3/8-16, WASHER SER, YEL ZN DICH 1 B only if missing FIGURE 1 FIGURE 2 3 R22BU: Gasoline RECALL Supply Line Rubbing Condition on Ford 7.3L FIGURE 3 FIGURE 4 FIGURE 5 FIGURE 6 ORIGORIGIINAL NAL LOCATIONLOCATION 4 R22BU: Gasoline RECALL Supply Line Rubbing Condition on Ford 7.3L FIGURE 7 FIGURE 8 FIGURE 8 FIGURE 9 NEW LOCATIONNEW LOCATION POSITION TO 4 O’CLOCKPOSITION TO 4 O’CLOCK 02000057 10046602 00029998 5 R22BU: Gasoline RECALL Supply Line Rubbing Condition on Ford 7.3L FIGURE 10 0137727401377274

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BLUE BIRD BODY COMPANY 3920 Arkwright Road, Suite 200, Macon, GA 31210 – (478) 825-2021 R22BU IMPORTANT SAFETY RECALL NOTICE NHTSA Recall Number: 22V-274 School Bus NHTSA Recall Number: 22V-275 Non-School Bus DATE: June 14, 2022 SUBJECT: R22BU: Ford 7.3L 100-Gallon Gasoline Supply Line Routing Dear Blue Bird Owner: This important safety recall notice applies to your bus(es) identified by both Blue Bird Body Number and Vehicle Identification Number (VIN) on the enclosed yellow cover sheet. If you no longer own the subject bus(es), please complete the appropriate section of the yellow cover sheet and return to Blue Bird in the enclosed pink postage prepaid envelope. This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Blue Bird Body Company is voluntarily recalling the following:  Certain model year 2022-2023 Blue Bird Vision School Buses o manufactured from May 3, 2021 through April 13, 2022  Certain model year 2022-2023 Blue Bird Vision Non-School Buses o manufactured from June 23, 2021 through October 29, 2021 On the subject buses, it has been determined on certain Blue Bird Vision Buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating a potential for a fuel leak. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Blue Bird has evaluated the risk to motor vehicle safety related to this condition which could lead to damage of the gasoline supply line creating a potential for a fuel leak. A gasoline supply line fuel leak could increase the risk of a fire with the affected units. Corrective Action: To correct this condition, a frame mounted clamping point must be removed and relocated to allow proper routing for the affected gasoline supply line. The affected gasoline supply line should also be inspected and replaced if any signs of wear or damage are observed. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the vehicle owner. Please contact your local Blue Bird dealer to arrange to have the Recall performed and to ensure parts are available at the dealership. To locate an authorized dealer, search online at www.blue-bird.com/find-a-dealer . Recall R22BU should be inspected and repaired, per R22BU Recall Instructions. You may request parts at [email protected] Parts will be available on or before August 11, 2022. Labor Reimbursement: Blue Bird will reimburse the labor cost of the repairs related to this recall at no cost to you the vehicle owner. The standard repair time (SRT) to accomplish these repairs in accordance with the R22BU remedy procedure(s) is outlined below. BLUE BIRD BODY COMPANY 3920 Arkwright Road, Suite 200, Macon, GA 31210 – (478) 825-2021 Blue Bird Body Company R22BU Page 2 Repair Options and allowable labor times for this campaign, outlined as follows: Labor Reimbursement: (continued) Repair Options and allowable labor times for this campaign, outlined as follows: Repair A: Inspection Only  0.1 Hours (6 minutes) Repair B: Inspect and Repair (if necessary)  0.5 Hours (30 minutes) Repair C: Inspect and Replace Supply Line (if necessary)  1 Hour (60 minutes) Administering the Recall and Parts: Parts to complete Recall R22BU will be available on or before August 11, 2022. You may request parts through [email protected] Federal law requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. If the modifications directed by this notification were performed on your bus prior to the receipt of this recall notification, attach a copy of the work order/invoice. Mail the documents in the pink self-addressed postage prepaid envelope included with the pink reply sheet to Blue Bird for warranty consideration. Reimbursements will be made in accordance with the requirements of the National Highway Transportation Safety Act, Title 49 Code of Federal Regulations, Parts 573 and 577. Please contact your local Blue Bird Dealer with any questions regarding this recall campaign. If Blue Bird Body Company should fail to or is unable to remedy this condition without charge to you, you may contact: ADMINISTRATOR NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION 1200 NEW JERSEY AVENUE, SE WASHINGTON, D.C. 20590 Or, you may call The National Highway Traffic Safety Administration toll free at: 1-888-327-4236 TTY 1-800-424-9153 or go to: http:/www.safercar.gov

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-275 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Blue Bird Body Company Submission Date : APR 25, 2022 NHTSA Recall No. : 22V-275 Manufacturer Recall No. : R22BU-NSB Manufacturer Information : Manufacturer Name : Blue Bird Body Company Address : P.O. Box 937 402 Blue Bird Boulevard Fort Valley GA 31030 Company phone : 478-822-2242 Population : Number of potentially involved : 8 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2023 Blue Bird Vision Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : GAS Descriptive Information : It has been determined that certain Blue Bird Vision (BBCV) Non-School Buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Production Dates : JUN 23, 2021 – OCT 29, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : An incorrectly routed gasoline supply line creates a potential rubbing condition between the fuel line and a nearby bolthead. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The described potential rubbing condition could lead to damage of the gasoline supply line creating potential for a fuel leak. A gasoline supply line fuel leak could increase the risk of a fire with the affected units. Description of the Cause : It has been determined that certain Blue Bird BBCV buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. This defect was identified during a review of Part 573 Safety Recall Report 22V-275 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 an in-process chassis. No field complaints have been received related to this issue. Identification of Any Warning that can Occur : There is no advanced warning of the potential rubbing condition. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Involved Components : Component Name 1 : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL,2022 Component Description : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL,2022 Component Part Number : 10073820 Component Name 2 : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL Component Description : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL Component Part Number : 10067235 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On April 13, 2022, a rubbing condition between a gasoline supply line and bolt head was observed by the Blue Bird Engineering team while completing a review of an in-process chassis. After review, it was found that all inprocess units with a Ford 7.3L gasoline engine and 100-gallon fuel tank had the same defect. The Blue Bird Critical Issue Review Group (CIRG) held a meeting on April 14, 2022 to review the potential failure modes of this defect. The CIRG team presented this issue to Blue Bird’s Product Safety Committee on April 18, 2022, where it was approved to conduct a stop ship. Blue Bird issued a recall on April 25, 2022 after determining the extent of the field population. To date, no field complaints have been received related to this issue. Part 573 Safety Recall Report 22V-275 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : To correct this condition, a frame mounted clamping point must be removed and relocated to allow proper routing for the affected gasoline supply line. The affected gasoline supply line should also be inspected and replaced if any signs of wear or damage are observed. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the Dealer or to the vehicle owner. How Remedy Component Differs from Recalled Component : The remedy is a rerouting of the fuel line. During the inspection process, any lines with witness marks that indicate rubbing has occurred, will be replaced with a new line and then routed correctly in the designed path. Identify How/When Recall Condition was Corrected in Production : On 04/18/2022, the condition was corrected by instructing the assembly line to build per the approved design and stop installing the additional, undocumented securement clamp. Quality and Manufacturing Engineering were made aware of the problem so that it could be monitored. Recall Schedule : Description of Recall Schedule : Dealer and Owner Notifications are to be issued on or before June 21, 2022. Parts are required and will be available at time of recall release. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the Dealer or to the vehicle owner. Planned Dealer Notification Date : JUN 21, 2022 – JUN 21, 2022 Planned Owner Notification Date : JUN 21, 2022 – JUN 21, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-275 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Blue Bird Body Company Submission Date : MAY 02, 2022 NHTSA Recall No. : 22V-275 Manufacturer Recall No. : R22BU-NSB Manufacturer Information : Manufacturer Name : Blue Bird Body Company Address : P.O. Box 937 402 Blue Bird Boulevard Fort Valley GA 31030 Company phone : 478-822-2242 Population : Number of potentially involved : 8 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2023 Blue Bird Vision Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : GAS Descriptive Information : It has been determined that certain Blue Bird Vision (BBCV) Non-School Buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Production Dates : JUN 23, 2021 – OCT 29, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : An incorrectly routed gasoline supply line creates a potential rubbing condition between the fuel line and a nearby bolthead. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The described potential rubbing condition could lead to damage of the gasoline supply line creating potential for a fuel leak. A gasoline supply line fuel leak could increase the risk of a fire with the affected units. Description of the Cause : It has been determined that certain Blue Bird BBCV buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. This defect was identified during a review of Part 573 Safety Recall Report 22V-275 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 an in-process chassis. No field complaints have been received related to this issue. Identification of Any Warning that can Occur : There is no advanced warning of the potential rubbing condition. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Involved Components : Component Name 1 : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL,2022 Component Description : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL,2022 Component Part Number : 10073820 Component Name 2 : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL Component Description : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL Component Part Number : 10067235 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On April 13, 2022, a rubbing condition between a gasoline supply line and bolt head was observed by the Blue Bird Engineering team while completing a review of an in-process chassis. After review, it was found that all inprocess units with a Ford 7.3L gasoline engine and 100-gallon fuel tank had the same defect. The Blue Bird Critical Issue Review Group (CIRG) held a meeting on April 14, 2022 to review the potential failure modes of this defect. The CIRG team presented this issue to Blue Bird’s Product Safety Committee on April 18, 2022, where it was approved to conduct a stop ship. Blue Bird issued a recall on April 25, 2022 after determining the extent of the field population. To date, no field complaints have been received related to this issue. Part 573 Safety Recall Report 22V-275 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : To correct this condition, a frame mounted clamping point must be removed and relocated to allow proper routing for the affected gasoline supply line. The affected gasoline supply line should also be inspected and replaced if any signs of wear or damage are observed. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the Dealer or to the vehicle owner.If the modifications directed by this notification were performed on your bus prior to the receipt of this recall notification, provide a copy of the work order/invoice to [email protected] for Blue Bird warranty consideration. How Remedy Component Differs from Recalled Component : The remedy is a rerouting of the fuel line. During the inspection process, any lines with witness marks that indicate rubbing has occurred, will be replaced with a new line and then routed correctly in the designed path. Identify How/When Recall Condition was Corrected in Production : On 04/18/2022, the condition was corrected by instructing the assembly line to build per the approved design and stop installing the additional, undocumented securement clamp. Quality and Manufacturing Engineering were made aware of the problem so that it could be monitored. Recall Schedule : Description of Recall Schedule : Dealer and Owner Notifications are to be issued on or before June 21, 2022. Parts are required and will be available at time of recall release. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the Dealer or to the vehicle owner. If the modifications directed by this notification were performed on your bus prior to the receipt of this recall notification, provide a copy of the work order/invoice to [email protected] for Blue Bird warranty consideration. Planned Dealer Notification Date : JUN 21, 2022 – JUN 21, 2022 Planned Owner Notification Date : JUN 21, 2022 – JUN 21, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-275 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Blue Bird Body Company Submission Date : MAY 09, 2022 NHTSA Recall No. : 22V-275 Manufacturer Recall No. : R22BU-NSB Manufacturer Information : Manufacturer Name : Blue Bird Body Company Address : P.O. Box 937 402 Blue Bird Boulevard Fort Valley GA 31030 Company phone : 478-822-2242 Population : Number of potentially involved : 8 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2023 Blue Bird Vision Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : GAS Descriptive Information : It has been determined that certain Blue Bird Vision (BBCV) Non-School Buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Production Dates : JUN 23, 2021 – OCT 29, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : An incorrectly routed gasoline supply line creates a potential rubbing condition between the fuel line and a nearby bolthead. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The described potential rubbing condition could lead to damage of the gasoline supply line creating potential for a fuel leak. A gasoline supply line fuel leak could increase the risk of a fire with the affected units. Description of the Cause : It has been determined that certain Blue Bird BBCV buses equipped with the Ford 7.3L gasoline engine and 100-gallon tank may have an incorrectly routed gasoline supply line which creates a potential rubbing condition with a nearby bolt head. This rubbing condition could lead to damage of the supply line creating potential for a fuel leak. This defect was identified during a review of Part 573 Safety Recall Report 22V-275 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 an in-process chassis. No field complaints have been received related to this issue. Identification of Any Warning that can Occur : There is no advanced warning of the potential rubbing condition. This defect was identified during a review of an in-process chassis. No field complaints have been received related to this issue. Involved Components : Component Name 1 : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL,2022 Component Description : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL,2022 Component Part Number : 10073820 Component Name 2 : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL Component Description : FUEL LINE,GAS,SUPPLY SECTION 3,100 GAL Component Part Number : 10067235 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On April 13, 2022, a rubbing condition between a gasoline supply line and bolt head was observed by the Blue Bird Engineering team while completing a review of an in-process chassis. After review, it was found that all inprocess units with a Ford 7.3L gasoline engine and 100-gallon fuel tank had the same defect. The Blue Bird Critical Issue Review Group (CIRG) held a meeting on April 14, 2022 to review the potential failure modes of this defect. The CIRG team presented this issue to Blue Bird’s Product Safety Committee on April 18, 2022, where it was approved to conduct a stop ship. Blue Bird issued a recall on April 25, 2022 after determining the extent of the field population. To date, no field complaints have been received related to this issue. Part 573 Safety Recall Report 22V-275 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : To correct this condition, a frame mounted clamping point must be removed and relocated to allow proper routing for the affected gasoline supply line. The affected gasoline supply line should also be inspected and replaced if any signs of wear or damage are observed. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the Dealer or to the vehicle owner.If the modifications directed by this notification were performed on your bus prior to the receipt of this recall notification, provide a copy of the work order/invoice to [email protected] for Blue Bird warranty consideration. How Remedy Component Differs from Recalled Component : The remedy is a rerouting of the fuel line. During the inspection process, any lines with witness marks that indicate rubbing has occurred, will be replaced with a new line and then routed correctly in the designed path. Identify How/When Recall Condition was Corrected in Production : On 04/18/2022, the condition was corrected by instructing the assembly line to build per the approved design and stop installing the additional, undocumented securement clamp. Quality and Manufacturing Engineering were made aware of the problem so that it could be monitored. Recall Schedule : Description of Recall Schedule : Dealer and Owner Notifications are to be issued on or before June 21, 2022. Parts are required and will be available at time of recall release. Blue Bird will reimburse the labor cost of the repair related to this recall at no cost to the Dealer or to the vehicle owner. If the modifications directed by this notification were performed on your bus prior to the receipt of this recall notification, provide a copy of the work order/invoice to [email protected] for Blue Bird warranty consideration. Parts will be available on or before August 11, 2022. Planned Dealer Notification Date : JUN 21, 2022 – JUN 21, 2022 Planned Owner Notification Date : JUN 21, 2022 – JUN 21, 2022 * NR – Not Reported

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