EASA 2019-0057

Requires identification of the batch number of all P/N 109-0011-03-105 torque tube assemblies, repetitive inspections of the affected parts, and replacement, as well as prohibits installation or reinstallation of affected parts. Prompted by reports of abnormal play on the collective torque tube of two AW119MKII helicopters and subsequent investigations that identified these events were due to an erroneous manufacturing process, EASA said.