AD 2023-06-14
Effective 05/30/2023 · Published 04/25/2023
Airworthiness Directives; Pratt & Whitney Canada Corporation Turbofan Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corporation (P&WC) PW308A and PW308C model turbofan engines. This AD is prompted by a manufacturer's design review, which identified that the combustion chamber outer case (CCOC) to rear compressor case (RCC) flange bolt low cycle fatigue life was inadequate and that those flange bolts may develop cracks resulting in flange bol…