Airworthiness Directive · Amendment 39-22658 · Flight controls
The Boeing Company Airplanes
This AD applies to all The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes, certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 777 airplanes. This AD was prompted by an evaluation by the design approval holder (DAH) that found the force limiter assemblies for the lateral control mechanism are not breaking out within the maximum design force requirements. This AD requires replacing affected force limiter assemblies and prohibits the installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
For airplanes identified in paragraphs (g)(1) and (2) of this AD: Except as specified by paragraph (h) of this AD, at the applicable times specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 777-27A0124 RB, dated October 27, 2021, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 777-27A0124 RB, dated October 27, 2021.
(1) Airplanes identified in Boeing Alert Requirements Bulletin 777-27A0124 RB, dated October 27, 2021.
(2) Airplanes not identified in Boeing Alert Requirements Bulletin 777-27A0124 RB, dated October 27, 2021, that have an original airworthiness certificate or original export certificate of airworthiness issued on or before the effective date of this AD, and on which a force limiter assembly P/N 253W1263-1 or P/N 253W1263-3 installed in production has been replaced with P/N 253W1263-1.
Note 1 to paragraph (g): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 777-27A0124 RB, dated October 27, 2021, which is referred to in Boeing Alert Requirements Bulletin 77-27A0124 RB, dated October 27, 2021.
Where the Compliance Time columns of the tables in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 777-27A0124 RB, dated October 27, 2021, use the phrase “the original issue date of Requirements Bulletin 777-27A0124 RB,” this AD requires using “the effective date of this AD.”
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
