Airworthiness Directive · Amendment 39-19533 · Equipment/furnishings
The Boeing Company Airplanes
Superseded. A later AD replaced this one: AD 2025-20-14. Comply with the one in force.
This AD applies to all The Boeing Company Model 757-200 series airplanes, certificated in any category.
We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 757-200 series airplanes. This AD was prompted by reports of uncommanded movement of the captain's and first officer's seats. This AD requires, for the captain's and first officer's seats, repetitive horizontal actuator identifications, repetitive checks of the horizontal movement system (HMS), a detailed inspection of the HMS, as applicable, and applicable on-condition actions. This AD also requires a general visual inspection to determine the seat part numbers of the captain's and first officer's seats, a cable adjustment check on seats with certain seat part numbers, and applicable on-condition actions. We are issuing this AD to address the unsafe condition on these products.
For airplanes identified in Boeing Special Attention Service Bulletin 757-25-0308, Revision 1, dated June 7, 2018: Except as required by paragraph (h) of this AD, at the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Special Attention Service Bulletin 757-25-0308, Revision 1, dated June 7, 2018, do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Special Attention Service Bulletin 757-25-0308, Revision 1, dated June 7, 2018.
For purposes of determining compliance with the requirements of this AD: Where Boeing Special Attention Service Bulletin 757-25-0308, Revision 1, dated June 7, 2018, uses the phrase “the original issue date of this service bulletin,” this AD requires using “the effective date of this AD.”
For airplanes identified in Boeing Special Attention Service Bulletin 757-25-0309, Revision 1, dated July 2, 2018: Within 36 months after the effective date of this AD, do all applicable actions identified as RC in, and in accordance with, the Accomplishment Instructions of Boeing Special Attention Service Bulletin 757-25-0309, Revision 1, dated July 2, 2018. A review of the airplane maintenance records may be used for the seat inspection if the part number can be conclusively determined from that review.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft
