MIAMI – Via an Airworthiness Directive (AD) the US Federal Aviation Agency (FAA) has warned all Boeing 737 NG and MAX operators of a possible rapid decompression risk.
The warning stems from the discovery of cracked or completely severed lugs – a sort of bolt- fitted on the forward entry door of the aircraft, which could lead to rapid decompression of the aircraft.
To correct the problem, the AD requires inspection, measurement, and replacement if a particular Part Number (P/N) is found to be installed on the door.
Lug Prone to Fatigue Cracking
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Source:: “Airways Magazine”