Superseded. This AD was superseded by AD 2023-17-14. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2022-18-11
Effective 10/31/2022 · Published 09/26/2022
Airworthiness Directives; The Boeing Company Airplanes
Summary
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 777 airplanes. This AD was prompted by a report of a crack found in a front spar lower chord undergoing an underwing longeron replacement. This AD requires repetitive inspections for cracking of the left and right side ring chords, repair angles, front spar lower chords, and front spar webs (depending on configuration) common to…