FAA issues an emergency airworthiness directive for PW4000-112 engines

Emilie Drab

2021/02/25 | 171 words | LE JOURNAL DE L'AVIATION | MAINTENANCE / MRO
FAA issues an emergency airworthiness directive for PW4000-112 engines © NTSB

Following the serious incident on a United Airlines 777-200 on February 20, the FAA issued an emergency airworthiness directive (AD) requiring thermal-imaging inspections of fan blades on Pratt & Whitney's PW4000-112 engines.

The FAA is asking that the titanium fan blades be sent to the engine manufacturer, who will carry out thermal-acoustic imaging (TAI) inspections to check that they do not show any cracks. The first observations of the NTSB, in charge of the investigation of the inci...(…)

This article is available on « Le Journal de l'Aviation »

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