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Flight path of United Airlines Flight 328. On February 20, 2021, United Airlines Flight 328 (UA328/UAL328), a scheduled U.S. domestic passenger flight from Denver to Honolulu, suffered what was technically ruled a contained engine failure [2] despite shedding large pieces of debris, approximately four minutes after takeoff from Denver International Airport (DEN).
An airworthiness directive (commonly abbreviated as AD) is a notification to owners and operators of certified aircraft that a known safety deficiency with a particular model of aircraft, engine, avionics or other system exists and must be corrected.
On November 18, 2020, after the FAA cleared the MAX for return to service in the U.S., EASA indicated that it would shortly issue its own proposed airworthiness directive. After the 28-day public comment period, the final directive would then be published in late December 2020 or early in 2021. [257]
On February 23, 2021, four days after a similar contained engine failure incident that occurred in another PW4000 engine on United Airlines Flight 328 (UA328), the U.S. Federal Aviation Administration (FAA) issued an Emergency Airworthiness Directive that required U.S. operators of airplanes equipped with Pratt & Whitney PW4000-112 engines to ...
An emergency airworthiness directive (EAD) is an airworthiness directive issued when unsafe conditions require immediate action by an aircraft owner or operator. An EAD is published by a responsible authority such as the FOCA, EASA or FAA related to airworthiness and maintenance of aircraft and aircraft parts. It contains measures which must be ...
Boeing agreed to pay $2.5 billion in 2021 in a deal ... progress in a variety of ways," including regular reviews by FAA experts of Boeing's safety procedures and issuing airworthiness ...
[15] [16] In 2019, an airworthiness directive mandated recurring engine inspections based on usage cycles. [17] 4 December 2020, Japan Airlines Flight 904 A PW4074 engine had a fan blade failure and associated engine cowl damage as the Boeing 777-200 was climbing out of Okinawa. [18] As of March 2021 the investigation is ongoing.
A Continued Airworthiness Notification to the International Community (commonly abbreviated as CANIC) is a notification from the FAA to civil airworthiness authorities of foreign countries of pending significant safety actions. [75] The FAA Airworthiness Directives Manual, [76] states the following: 8.