CSN840 Pedestal and Truck Frame May Separate – 2012-2016 Altec AT200A Aerial Devices

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Customer Outreach PO Box 8338 [email protected] Phone 1-877-GO ALTEC Saint Joseph, MO 64508 connect.altec.com/login Facsimile 1-877-659-9929 IMPORTANT SAFETY RECALL This notice applies to your vehicle. Refer to the provided list. NHTSA Recall Number: Dear Altec Owner, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act and Canada Motor Vehicle Safety Act. Altec Industries, Inc. has decided that a defect which relates to motor vehicle safety exists in certain AT200A aerial devices built on Ford F450/F550 chassis from 2012 to 2016. This is to inform you that your vehicle may contain a defect that could affect the safety of a person. These units could develop cracks in the mounting frame. If not repaired, the cracking can lead to failure of the mounting frame, causing uncontrolled boom movement. Death or serious injury can result from uncontrolled boom movement. Refer to the included notice for the items covered under the Altec Warranty Policy. If you had this repair performed before you received this notice, you may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of the problem associated with this recall. All work will be performed at no charge to the customer when presented for repair. Compare your unit’s identifying information with the provided list to verify your unit is affected. You may also contact Altec or view your fleet through Altec Connect to determine if there are any other outstanding notices. The inspection and repair can be performed by the customer, or you may contact Altec for further assistance. The inspection is expected to take 30 minutes to complete. The repair is expected to take 6 hours to complete, and must be performed by a welder having the AWS D1.1 3G qualification for steel. If you have sold or retired the unit, update the records through Altec Connect. If you have leased this equipment to another person or company, you are required by Federal Law to forward a copy of this notice to the lessee by first class mail within ten (10) days of the receipt of this notice. For US owners: after contacting Altec, if you are still not able to have the safety condition remedied without charge and within a reasonable time, you may submit a complaint to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590 or call toll-free 1-888-327-4236 (TTY: 1-800-424-9153) or go to http://www.safercar.gov. For Canadian Owners: if you are still not able to have the safety condition remedied by your dealer within a reasonable time, please contact Altec. We regret this inconvenience; however, we are taking this action in the interest of your safety and continued satisfaction with Altec products. Thank you for your immediate attention on this important matter. 21V-884 January 13, 2022 Page 1 of 9 Customer Service Notice CSN Released: January 13, 2022 Altec Use Only Inspection labor 0.5 hr Repair labor 6.0 hr Account # 010.0557.43151.000.9189.000 Travel Not included NHTSA code 16 Prime fail P/N 970359173, 970370318 Doc ref 074900799 Altec Use Only Description Part No. Qty Warranty Mounting frame A reinforcement kit 991429525 1 Yes Mounting frame B reinforcement kit 991440790 1 Yes 840 Mounting Frame Inspection Units Affected: AT200A aerial devices built on Ford F450/F550 chassis from 2012 to 2016. Verify your unit is affected by reviewing the attached list or accessing Altec Connect. Background: Altec has learned that cracking may occur in the side plates of the mounting frame on some affected units. If not repaired, the cracking can lead to failure of the mounting frame, causing uncontrolled boom movement. A kit must be installed to reinforce the mounting frame to prevent failure. DANGER Death or serious injury can result from uncontrolled boom movement. Cracking can lead to failure of the mounting frame, causing uncontrolled boom movement. Customer Action: Inspect each unit for cracking in the mounting frame side plate no later than the next preventive maintenance interval or 60 days from the receipt of this CSN, whichever comes first. Use the Mounting Frame Identification Procedure beginning on page 2 to determine appropriate inspection procedure for each unit. Perform the specified inspection procedure and order and install the specified reinforcement kit, or schedule the inspection and kit installation to be performed by Altec. Requirements: The inspection is estimated to take 30 minutes to complete. The repair is estimated to take 6 hours to complete. All welds must be applied by a welder having the AWS D1.1 3G qualification for steel. Depending on the inspection results, the unit will be affected as described below. • Unit can remain in service; kit must be installed within one year of inspection. • Unit can remain in service; kit must be installed within 60 days of inspection. • Unit must be removed from service until kit is installed. Completion and Warranty: The inspection and repair are covered under the Altec Warranty Policy and can be performed by Altec, the customer, or the customer’s warranty provider. An Altec Mobile Service technician can perform this inspection but is not able to perform this repair. Altec will perform the work for free at an Altec facility. If the customer or the customer’s warranty provider performs the work, a warranty claim must be submitted to be reimbursed for the cost of the parts and/or labor. Altec will allow up to $45 for the labor to perform the inspection and up to $540 for the labor to perform the repair. Customers are responsible for the travel costs of an Altec Mobile Service technician if the technician performs the inspection at the owner’s location. Altec Contact Info: Altec Connect: connect.altec.com/login Phone: 1-877-GO ALTEC (1-877-462-5832) | Options: 1 – Parts; 2 – Shop Service; 3 – Mobile Service; 4 – Technical Support; 5 – Global Rental Service Request; 6 – Chassis Repair Page 2 of 9 CSN 840 Mounting Frame Identification Procedure Use this procedure to identify which of two possible types of mounting frame is installed on the unit. No tools are required for this procedure. Read and understand all steps of the instructions before beginning the procedure. 1. Position the unit on a level surface. Apply the parking brake, and turn off the engine. Remove the key from the ignition, and secure it following your employer’s vehicle lockout/tagout procedure. Chock the wheels. 2. Find the generator located on the street side of the chassis directly behind the driver’s door (refer to Figure 1). 3. Use the following criteria to identify which type of mounting frame is installed on the unit. • Mounting frame A major identifiable features (refer to Figure 1): – The generator slide rails are attached to the outboard sides of the mounting frame cross members. – The generator slide end plate has a pull slot. • Mounting frame B major identifiable features (refer to Figure 2): – The generator slide rails are attached to the body rather than to the mounting frame. – The generator slide end plate has an attached handle. – The mounting frame has vertical stiffener bars welded on the end. Figure 1 — Mounting Frame A Features Generator Driver’s Door Pull Slot in End Plate Generator Slide Rails Attached to Frame Figure 2 — Mounting Frame B Features Stiffener Bars No Generator Slide Rails Attached Driver’s Door Generator Pull Handle on End Plate Page 3 of 9 CSN 840 4. Proceed to the inspection procedure corresponding to the mounting frame type identified in step 3. • If the unit has mounting frame A, proceed to the Mounting Frame A Inspection Procedure on page 4. • If the unit has mounting frame B, proceed to the Mounting Frame B Inspection Procedure on page 7. • If the unit does not have either mounting frame A or mounting frame B, call 1-270-505-1532 to speak to Telecom Product Support or email [email protected] to obtain further direction. Page 4 of 9 CSN 840 Mounting Frame A Inspection Procedure Normal mechanic’s hand tools, a flashlight, a tape measure, and a wire brush are required for this inspection. Read and understand all steps of the instructions before beginning the procedure. 1. Position the unit on a level surface. Apply the parking brake and turn off the engine. Remove the key from the ignition, and secure it following your employer’s vehicle lockout/tagout procedure. Chock the wheels. 2. Find the mounting frame under the vehicle (refer to Figure 3). 3. Using a wire brush, remove any paint and rust from the side plates in inspection areas A and B on the street side (refer to Figure 4) and inspection areas C and D on the curb side (refer to Figure 5). Curb Side Street Side Front of Vehicle Rear of Vehicle Figure 3 — Mounting Frame Figure 4 — Inspection Areas A and B Locations Street Side Side Plate Curb Side Side Plate Inspection Area A Inspection Area B Rear of Vehicle Front of Vehicle Page 5 of 9 CSN 840 4. Using a flashlight, visually inspect for any cracking in the steel side plates in the cross-hatched areas shown in Figure 6 for the street side and in Figure 7 for the curb side. 5. If cracking is present, determine the extent of the damage as defined below. • No cracking means no visible cracking at all in the plate (refer to Figure 8). • Partial cracking means a visible crack anywhere in the narrow section that extends only part way across the width or part way through the thickness of the plate (refer to Figure 9). Partial cracking may consist of one or more cracks. • Full cracking means a visible crack across the full width of the narrow section extending through the full thickness of the plate and causing the complete separation of the material (refer to Figure 10). Figure 8 — No Cracking Example Figure 9 — Partial Cracking Example Partial Cracking No Cracking Figure 10 — Full Cracking Example Full Cracking Street Side Side Plate Curb Side Side Plate Inspection Area D Inspection Area C Figure 5 — Inspection Areas C and D Locations Rear of Vehicle Front of Vehicle Inspection Area A Inspection Area B Inspection Area D Inspection Area C Figure 6 — Inspection Areas A and B Details Figure 7 — Inspection Areas C and D Details Street Side Side Plate Curb Side Side Plate Page 6 of 9 CSN 840 6. Review the inspection results, and take the appropriate action described below. If use of a reinforcement kit is specified, the Mounting Frame A Reinforcement Kit, part number 991429525, is required. • If there is no cracking in any inspection area, put the unit back into service. Order the reinforcement kit and install it within one year of the inspection, or schedule the installation of the reinforcement kit by Altec within one year of the inspection. • If there is partial cracking, determine the extent of the cracking in each inspection area by measuring the length(s) of the cracking. ○ If the total length of cracking is less than 3/4″ in each inspection area, put the unit back into service. Order the reinforcement kit and install it within 60 days of the inspection, or schedule the installation of the reinforcement kit by Altec within 60 days of the inspection. – Example 1: Inspection found no cracks in Areas A and C, a 1/2″ long crack in Area B, and two cracks in Area D (refer to Figure 11). The total length of cracking in Area D is the sum of the lengths of the two cracks, 3/8″ + 1/4″ = 5/8″. Since the total length of cracking is less than 3/4″ in each inspection area, put the unit back into service, and install the reinforcement kit within 60 days of the inspection. ○ If the total length of cracking in any inspection area is 3/4″ or more, take the unit out of service. Order and install the reinforcement kit, or schedule the installation of the reinforcement kit by Altec. The vehicle can still be driven, but the aerial device cannot be used until the mounting frame is repaired. – Example 2: Inspection found no cracks in Areas A, B, and C, and two cracks in Area D (refer to Figure 12). The total length of cracking in Area D is the sum of the lengths of the two cracks, 7/16″ + 5/16″ = 3/4″. Since the total length of cracking is 3/4″ in this area, the unit must be taken out of service. The vehicle can still be driven, but the aerial device cannot be used until the mounting frame is repaired. • If there is full cracking in any inspection area, take the unit out of service. The vehicle can still be driven, but the aerial device cannot be used until the mounting frame is repaired. Contact Telecom Product Support by calling 1-270-505-1532 or emailing [email protected] to obtain further instructions on how to repair the mounting frame with full cracking. 3/8″ 1/4″ 7/16″ 5/16″ Crack 1 Crack 2 Crack 1 Crack 2 Figure 11 — Partial Cracking, Example 1 Figure 12 — Partial Cracking, Example 2 Page 7 of 9 CSN 840 Mounting Frame B Inspection Procedure Normal mechanic’s hand tools, a flashlight, a tape measure, and a wire brush are required for this inspection. Read and understand all steps of the instructions before beginning the procedure. 1. Position the unit on a level surface. Apply the parking brake and turn off the engine. Remove the key from the ignition, and secure it following your employer’s vehicle lockout/tagout procedure. Chock the wheels. 2. Find the mounting frame under the vehicle (refer to Figure 13). 3. Using a wire brush, remove any paint and rust from the side plates in inspection areas A and B on the street side (refer to Figure 14) and inspection areas C, D, and E on the curb side (refer to Figure 15). 4. Using a flashlight, visually inspect for any cracking in the steel side plates in the cross-hatched areas shown in Figure 16 for the street side and in Figure 17 for the curb side. Rear of Vehicle Front of Vehicle Street Side Curb Side Figure 13 — Mounting Frame Inspection Area A Inspection Area B Street Side Side Plate Curb Side Side Plate Street Side Side Plate Inspection Area D Inspection Area C Curb Side Side Plate Inspection Area E Figure 14 — Inspection Areas A and B Locations Figure 15 — Inspection Areas C, D, and E Locations Front of Vehicle Rear of Vehicle Front of Rear of Vehicle Vehicle Page 8 of 9 CSN 840 5. If cracking is present, determine the extent of the damage as defined below. • No cracking means no visible cracking at all in the plate (refer to Figure 18). • Partial cracking means a visible crack anywhere in the narrow section that extends only part way across the width or part way through the thickness of the plate (refer to Figure 19). Partial cracking may consist of one or more cracks. • Full cracking means a visible crack across the full width of the narrow section extending through the full thickness of the plate and causing the complete separation of the material (refer to Figure 20). • Terminated cracking means a crack in Area E that extends from the inside corner in the lower edge of the side plate toward the mounting hole or all the way to the mounting hole (refer to Figure 21). If there is cracking extending in any other direction in Area E, include it in the partial cracking assessment for Area C. Figure 18 — No Cracking Example Figure 19 — Partial Cracking Example Figure 20 — Full Cracking Example Figure 21 — Terminated Cracking Below Hole in Area E Inspection Area A Inspection Area B Inspection Area D Inspection Area C Inspection Area E Figure 16 — Inspection Areas A and B Details Figure 17 — Inspection Areas C, D, and E Details Curb Side Side Plate Street Side Side Plate Page 9 of 9 CSN 840 6. Review the inspection results, and take the appropriate action described below. If use of a reinforcement kit is specified, the Mounting Frame B Reinforcement Kit, part number 991440790, is required. • If there is no cracking in any inspection area or only terminated cracking in Area E, put the unit back into service. Order the reinforcement kit and install it within one year of the inspection, or schedule the installation of the reinforcement kit by Altec within one year of the inspection. • If there is partial cracking, determine the extent of the cracking in each inspection area by measuring the length(s) of the cracking. ○ If the total length of cracking is less than 3/4″ in each inspection area, put the unit back into service. Order the reinforcement kit and install it within 60 days of the inspection, or schedule the installation of the reinforcement kit by Altec within 60 days of the inspection. – Example 1: Inspection found no cracks in Areas A and C, a 1/2″ long crack in Area B, and two cracks in Area D (refer to Figure 22). The total length of cracking in Area D is the sum of the lengths of the two cracks, 3/8″ + 1/4″ = 5/8″. Since the total length of cracking is less than 3/4″ in each inspection area, put the unit back into service, and install the reinforcement kit within 60 days of the inspection. ○ If the total length of cracking in any inspection area is 3/4″ or more, take the unit out of service. Order and install the reinforcement kit, or schedule the installation of the reinforcement kit by Altec. The vehicle can still be driven, but the aerial device cannot be used until the mounting frame is repaired. – Example 2: Inspection found no cracks in Areas A, B, and C, and two cracks in Area D (refer to Figure 23. The total length of cracking in Area D is the sum of the lengths of the two cracks, 7/16″ + 5/16″ = 3/4″. Since the total length of cracking is 3/4″ in this area, the unit must be taken out of service. The vehicle can still be driven, but the aerial device cannot be used until the mounting frame is repaired. • If there is full cracking in any inspection area, take the unit out of service. The vehicle can still be driven, but the aerial device cannot be used until the mounting frame is repaired. Contact Telecom Product Support by calling 1-270-505-1532 or emailing [email protected] to obtain further instructions on how to repair the mounting frame with full cracking. 3/8″ 1/4″ 7/16″ 5/16″ Crack 1 Crack 2 Crack 1 Crack 2 Figure 22 — Partial Cracking, Example 1 Figure 23 — Partial Cracking, Example 2

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-884 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Altec Industries, Inc. Submission Date : NOV 15, 2021 NHTSA Recall No. : 21V-884 Manufacturer Recall No. : CSN 840 Manufacturer Information : Manufacturer Name : Altec Industries, Inc. Address : 210 Inverness Center Drive Birmingham AL 35242 Company phone : 205 991 7733 Population : Number of potentially involved : 4,055 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2012-2016 Altec AT200A Vehicle Type : Body Style : Power Train : NR Descriptive Information : AT200A units produced between the affected dates with the involved mounting frames, are included in the recall population. The recall population was determined from a review of production records. Production Dates : JAN 01, 2012 – DEC 31, 2016 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The unit mounting frame can develop cracks in the legs of the mounting frame on the mounting plate. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If cracks develop in both legs of the mounting frame on the same side, the mounting frame side plate could break. This could result in the separation of the pedestal from the side of the truck frame, increasing the risk of death or serious injury to the worker or those nearby. Description of the Cause : NR Identification of Any Warning that can Occur : During a preoperational or periodic inspection, a crack in the mounting frame should be identified. Involved Components : Part 573 Safety Recall Report 21V-884 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970370318 Component Name 2 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970379173 Component Name 3 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970383660 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : In September 2021, Altec was notified by a customer of an AT200A failed mounting frame resulting in an accident with reportedly minor injuries. After being notified, Altec opened an investigation in response to the customer incident. The customer inspected AT200A units in their fleet and reported their findings to Altec. The Altec investigation reviewed the customer feedback, warranty data, and field history to identify mounting frames that could develop cracks similar to the field incident. After reviewing the findings, Altec concluded a CSN should be issued to the population determined through investigation. The September incident is the only reported accident or injury, no deaths have been reported related to this issue. There were no other warranty claims or field reports identified. This is related to the report of CSN 836 (NHTSA 21V736) which involved a different mounting frame. Part 573 Safety Recall Report 21V-884 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : Altec will issue CSN 840 to all affected customers requiring them to inspect the mounting frame side plates. If the inspection finds a crack, Altec will repair the side plate or provide a repair kit that a qualified service provider can install. Altec Warranty Policy covers the costs of the recall remedy. How Remedy Component Differs from Recalled Component : The remedy includes a reinforcement plate to provide additional material and strength in the areas which failed in the original design. Identify How/When Recall Condition was Corrected in Production : The manufacturing dates of the affected units ended in 2016. Recall Schedule : Description of Recall Schedule : Altec will issue CSN 840 to the owners of the affected units. Altec does not have a dealer network and issues letters to owners only. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-884 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Altec Industries, Inc. Submission Date : JAN 10, 2022 NHTSA Recall No. : 21V-884 Manufacturer Recall No. : CSN 840 Manufacturer Information : Manufacturer Name : Altec Industries, Inc. Address : 210 Inverness Center Drive Birmingham AL 35242 Company phone : 205 991 7733 Population : Number of potentially involved : 4,055 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2012-2016 Altec AT200A Vehicle Type : Body Style : Power Train : NR Descriptive Information : AT200A units produced between the affected dates with the involved mounting frames, are included in the recall population. The recall population was determined from a review of production records. Production Dates : JAN 01, 2012 – DEC 31, 2016 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The unit mounting frame can develop cracks in the legs of the mounting frame on the mounting plate. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If cracks develop in both legs of the mounting frame on the same side, the mounting frame side plate could break. This could result in the separation of the pedestal from the side of the truck frame, increasing the risk of death or serious injury to the worker or those nearby. Description of the Cause : NR Identification of Any Warning that can Occur : During a preoperational or periodic inspection, a crack in the mounting frame should be identified. Involved Components : Part 573 Safety Recall Report 21V-884 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970370318 Component Name 2 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970379173 Component Name 3 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970383660 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On September 13, 2021, Altec was notified by a customer of an AT200A failed mounting frame resulting in an accident with reportedly minor injuries. After being notified, Altec opened an investigation in response to the customer incident. The customer inspected AT200A units in their fleet and on 10/11/21 reported their initial findings of 39 potential mounting frame cracks to Altec. The Altec investigation reviewed the customer feedback, warranty data, and field history to identify mounting frames that could develop cracks similar to the field incident. After reviewing the findings, Altec concluded on 11/12/21 that a CSN should be issued to the population determined through investigation. The September incident is the only reported accident or injury, no deaths have been reported related to this issue. There were no other prior warranty claims or field reports identified. This is related to the report of CSN 836 (NHTSA 21V736) which involved a different mounting frame. Part 573 Safety Recall Report 21V-884 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : Altec will issue CSN 840 to all affected customers requiring them to inspect the mounting frame side plates. If the inspection finds a crack, Altec will repair the side plate or provide a repair kit that a qualified service provider can install. Altec Warranty Policy covers the costs of the recall remedy. How Remedy Component Differs from Recalled Component : The remedy includes a reinforcement plate to provide additional material and strength in the areas which failed in the original design. Identify How/When Recall Condition was Corrected in Production : The manufacturing dates of the affected units ended in 2016. Recall Schedule : Description of Recall Schedule : Altec will issue CSN 840 to the owners of the affected units. Altec does not have a dealer network and issues letters to owners only. Planned Dealer Notification Date : JAN 14, 2022 – JAN 14, 2022 Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-884 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Altec Industries, Inc. Submission Date : JAN 06, 2022 NHTSA Recall No. : 21V-884 Manufacturer Recall No. : CSN 840 Manufacturer Information : Manufacturer Name : Altec Industries, Inc. Address : 210 Inverness Center Drive Birmingham AL 35242 Company phone : 205 991 7733 Population : Number of potentially involved : 4,055 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2012-2016 Altec AT200A Vehicle Type : Body Style : Power Train : NR Descriptive Information : AT200A units produced between the affected dates with the involved mounting frames, are included in the recall population. The recall population was determined from a review of production records. Production Dates : JAN 01, 2012 – DEC 31, 2016 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : The unit mounting frame can develop cracks in the legs of the mounting frame on the mounting plate. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If cracks develop in both legs of the mounting frame on the same side, the mounting frame side plate could break. This could result in the separation of the pedestal from the side of the truck frame, increasing the risk of death or serious injury to the worker or those nearby. Description of the Cause : NR Identification of Any Warning that can Occur : During a preoperational or periodic inspection, a crack in the mounting frame should be identified. Involved Components : Part 573 Safety Recall Report 21V-884 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970370318 Component Name 2 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970379173 Component Name 3 : AT200A Mounting Frame Component Description : AT200A Mounting Frame Component Part Number : 970383660 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On September 13, 2021, Altec was notified by a customer of an AT200A failed mounting frame resulting in an accident with reportedly minor injuries. After being notified, Altec opened an investigation in response to the customer incident. The customer inspected AT200A units in their fleet and on 10/11/21 reported their initial findings of 39 potential mounting frame cracks to Altec. The Altec investigation reviewed the customer feedback, warranty data, and field history to identify mounting frames that could develop cracks similar to the field incident. After reviewing the findings, Altec concluded on 11/12/21 that a CSN should be issued to the population determined through investigation. The September incident is the only reported accident or injury, no deaths have been reported related to this issue. There were no other prior warranty claims or field reports identified. This is related to the report of CSN 836 (NHTSA 21V736) which involved a different mounting frame. Part 573 Safety Recall Report 21V-884 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : Altec will issue CSN 840 to all affected customers requiring them to inspect the mounting frame side plates. If the inspection finds a crack, Altec will repair the side plate or provide a repair kit that a qualified service provider can install. Altec Warranty Policy covers the costs of the recall remedy. How Remedy Component Differs from Recalled Component : The remedy includes a reinforcement plate to provide additional material and strength in the areas which failed in the original design. Identify How/When Recall Condition was Corrected in Production : The manufacturing dates of the affected units ended in 2016. Recall Schedule : Description of Recall Schedule : Altec will issue CSN 840 to the owners of the affected units. Altec does not have a dealer network and issues letters to owners only. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : JAN 14, 2022 – JAN 14, 2022 * NR – Not Reported

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