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FAA AD for Rear Wing Spar On Four Piper Airplane Models

FAA AD for Rear Wing Spar On Four Piper Airplane Models

Posted by Clinton McJenkin on May 24th 2024

FAA AD Number: 2024-10-04 has been issued for a problem identified is a double-drilled bolt hole in the rear wing spar attachment fitting, discovered during an inspection after a ground collision with an automobile. This problem reduces the strength of the part below its limit load, potentially leading to wing separation and loss of control of the airplane.

Clinton McJenkin
May 24, 2024
BAS Part Sales Headquarters in Greeley, CO

It is crucial to follow the specified corrective actions as detailed in Piper Service Bulletin No.1413. These actions include removing the wing fastening hardware, conducting a thorough inspection, and taking necessary corrective measures. If any discrepancies are found, an additional inspection of bolt holes common to the forward spar attachment is required, with components replaced if necessary. Additionally, a report must be submitted to the FAA if corrective actions or replacement is necessary.


This report pertains to certain serial-numbered Piper Model PA-28-181 Piper Archer, PA-28R-201 Piper Arrow III, PA-34-220T Seneca V, and PA-44-180 Piper Seminole airplanes.

Please refer to the FAA's Final Rule regarding this AD on their website by clicking here.

Piper Service Bulletin No. 1413 Aft Wing Spar Attach Fitting Inspection:

Effective Date: 4/18/2024

ATA Code: 5741

PA-28-181 III - Part/Kit No: 66762-000

PA-PA-181 Pilot - Part/Kit No: 62448-002/-003

PA-28R-201 - Part/Kit No: 68621-002/-003

PA-44-180 - Part/Kit No: 88365-002 / 87584-000

Based on the report regarding the inspection of double-drilled bolt holes in the rear wing spar attachment fitting, Piper aircraft need to have the wing fastening hardware securing the aft spar attachment removed, and the inspection and applicable corrective actions specified in Piper Service Bulletin No.1413 need to be completed. Additionally, any components with bolt holes that exceed specified limits need to be replaced before further flight.


ATA code 5741 is generally related to "Flap Position Sensing System" in aircraft. This ATA code pertains to the system responsible for sensing and indicating the position of the flaps on an aircraft. The Flap Position Sensing System is crucial for providing accurate information to the flight crew regarding the position of the flaps during takeoff, landing, and other phases of flight. It is part of the overall flap system that helps control the lift and drag characteristics of the aircraft during different flight conditions.

The PA-28-181, also known as the Piper Archer, is a popular single-engine aircraft produced by Piper Aircraft. It is a four-seat, single-engine airplane that is commonly used for flight training, personal transportation, and other general aviation purposes. The PA-28-181 is known for its reliability, ease of handling, and overall versatility.

The PA-28R-201, also known as the Piper Arrow III, is another variant of the Piper PA-28 series of aircraft. It is a single-engine, retractable-gear airplane with seating for up to four occupants. The PA-28R-201 is known for its faster cruising speeds and retractable landing gear, which sets it apart from the fixed-gear variants like the PA-28-181 Archer. This model is also popular for flight training, personal use, and recreational flying.

The PA-34-220T, also known as the Piper Seneca V, is a twin-engine aircraft produced by Piper Aircraft. It is a popular light twin aircraft with seating for up to six occupants. The PA-34-220T is well-regarded for its performance, safety features, and versatility, making it a popular choice for charter flights, business use, and advanced flight training. This model is known for its twin-engine redundancy and additional power compared to single-engine aircraft in the PA-28 series.

The PA-44-180, also known as the Piper Seminole, is a twin-engine light aircraft manufactured by Piper Aircraft. It is a popular choice for multi-engine flight training due to its reliability, performance, and handling characteristics. The PA-44-180 features two Lycoming O-360-A1H6 engines and can seat up to four people. With its twin-engine configuration, the PA-44-180 provides students with valuable experience in managing and flying multi-engine airplanes.


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