AD 2018-05-07
Effective 04/11/2018 · Published 03/07/2018
Airworthiness Directives; The Boeing Company Airplanes
Summary
We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 787-8 and 787-9 airplanes. This AD was prompted by a flight test report indicating that the crew oxygen masks in the flight deck did not deploy correctly. This AD requires an inspection at four locations in the flight deck to determine whether any crew oxygen mask having a certain part number is installed, and replacement of affected…