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