Superseded. This AD was superseded by AD 2020-21-17. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2018-16-05
Effective 09/10/2018 · Published 08/06/2018
Airworthiness Directives; The Boeing Company Airplanes
Summary
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 757 airplanes. This AD was prompted by reports of bolt rotation in the engine drag fitting joint and fasteners heads; an inspection of the fastener holes revealed that cracks were found in the skin on two airplanes. This AD requires repetitive inspections for skin cracking and shim migration at the upper link drag fittings, diago…