WASHINGTON, Aug. 14 -- Federal Aviation Administration has issued a rule called: Airworthiness Directives; Airbus Helicopters.

The rule was published in the Federal Register on Aug. 14 by Steven W. Thompson, Acting Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service.

Summary: The FAA is superseding Airworthiness Directive (AD) 2023-25-14, which applied to certain Airbus Helicopters Model EC130T2 helicopters. AD 2023-25-14 revised the procedures for inspecting the vibration level on the tail rotor drive shaft and, depending on these results, required replacing certain parts. Since the FAA issued AD 2023-25-14, the manufacturer developed a modification of the rear drive shaft, sliding flange, and equipped sp...