Superseded. This AD was superseded by AD 2020-22-10. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2018-14-02
Effective 08/13/2018 · Published 07/09/2018
Airworthiness Directives; The Boeing Company Airplanes
Summary
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, -200LR, -300, and -300ER series airplanes. This AD was prompted by reports that additional areas of Boeing Material Specification (BMS) 8-39 flexible urethane foam were found during a routine inspection. This AD requires an inspection for foam insulation on the dripshield above the overhead panel support structure and re…