AD/BEECH 76/2 - Cowl Flap Hinge Assemblies - CANCELLED

What this does: This document cancels an older aircraft safety rule that required specific maintenance on Beechcraft 76 Duchess aeroplanes.

Who it affects: Owners and operators of Beechcraft 76 Duchess aircraft (though the change is historical from 2008).

The details: Back in 1989, the Civil Aviation Safety Authority (CASA) issued a rule requiring the replacement of engine cowl flap hinge assemblies with improved steel versions on these aircraft. This had to be done within 100 hours of flying time after June 1979.

Why it matters: As of 3 July 2008, this maintenance requirement no longer applies. The authority cancelled the rule because all affected aircraft would have completed the required modifications decades ago, making the mandatory rule unnecessary.