FAA Issues Airworthiness Directive for Pratt & Whitney Turbofan Engines

Summary

The Federal Aviation Administration (FAA) has superseded an existing airworthiness directive for Pratt & Whitney PW4074, PW4074D, PW4077, PW4077D, PW4084, PW4084D, PW4090, PW4090D, PW4090-3, and PW4098 turbofan engines to address a significant reference error in borescope inspection compliance paragraphs, which could lead to uncontained engine failure.