Superseded. This AD was superseded by AD 2022-07-08. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2016-17-12
Effective 09/30/2016 · Published 08/26/2016
Airworthiness Directives; Airbus Airplanes
Summary
We are adopting a new airworthiness directive (AD) for all Airbus Model A318 and A319 series airplanes, Model A320-211, -212, - 214, -231, -232, and -233 airplanes, and Model A321 series airplanes. This AD was prompted by a report of a partial loss of the no-back brake (NBB) efficiency during endurance qualification tests on the trimmable horizontal stabilizer actuator (THSA). This AD requires inspecting certain THS…