Superseded. This AD was superseded by AD 2021-05-11. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2017-26-10
Effective 01/03/2018 · Published 12/29/2017
Airworthiness Directives; The Boeing Company Airplanes
Summary
We are superseding Airworthiness Directive (AD) 2015-08-01, which applied to certain The Boeing Company Model 757 airplanes. AD 2015-08-01 required, depending on airplane configuration, installing new relays and bracket assemblies, inspecting to ensure that the new relays do not contact adjacent wire bundles, torqueing the bracket assembly installation nuts and ground stud nuts, retesting the bond resistance between…