AD 2021-05-11
Effective 04/19/2021 · Published 03/15/2021
Airworthiness Directives; The Boeing Company Airplanes
Summary
The FAA is superseding Airworthiness Directive (AD) 2017-26- 10, which applied to certain The Boeing Company Model 757 airplanes. AD 2017-26-10 required deactivating the spoiler control module (SCM) relays and capping and stowing the associated wiring on certain airplanes. This AD requires repetitive operational tests of the spoiler inhibit function. For certain airplanes, this AD requires installing a new relay bra…