Transport i lotnictwo · 13/11/1998
Pratt & Whitney JT9D Series Turbofan Engines: New Airworthiness Directive to Address Weld Material Issues
The Federal Aviation Administration (FAA) has issued a new airworthiness directive requiring a one-time inspection of certain Pratt & Whitney JT9D series turbofan engines to detect weld material in the turbine exhaust case, and replacing non-compliant parts to prevent structural failure and potential loss of control.