Transport i lotnictwo · 02/09/1998

Pratt & Whitney Proposes Update to Airworthiness Directive for JT9D Series Turbofan Engines

The Federal Aviation Administration (FAA) is considering a proposal to modify an existing airworthiness directive (AD) for Pratt & Whitney JT9D series turbofan engines, which would allow for the installation of a containment shield or replacement of the existing turbine exhaust case (TEC) to prevent damage to aircraft in the event of an internal engine failure.