Yet another Boeing 737 issue exposed
Date
7/11/2024 8:10:57 AM
(MENAFN) The United States Federal Aviation Administration (FAA) has mandated the inspection of more than 2,600 Boeing 737 Max and Next Generation aircraft due to concerns over potential malfunctions in emergency oxygen generators, according to an Airworthiness Directive issued on Monday.
The directive, prompted by Boeing's discovery of a flaw affecting the retention straps of emergency oxygen generators, requires airlines to conduct thorough inspections within 120 to 150 days. Should any issues be found, airlines must implement corrective actions as necessary, with a prohibition on installing affected parts until inspections are completed.
Boeing identified the problem in mid-June, notifying airlines that under certain conditions, the retention straps could shift up to 1.9 centimeters due to faulty adhesive introduced in 2019. This movement could compromise the functionality of the oxygen generators deployed during cabin depressurization.
In response, Boeing has reverted to using the original adhesive in all new deliveries to ensure secure placement of the generators. Despite these measures, Boeing clarified that inspections of undelivered airplanes have not identified any affected units.
While Boeing's initial communication advised visual inspections, the FAA's Airworthiness Directive carries legal weight, obligating airlines to inspect each oxygen generator thoroughly. Each Boeing 737 typically houses 61 oxygen generators, each secured by two straps, although configurations may vary among airlines.
The FAA's directive underscores the seriousness of the issue, emphasizing safety protocols to ensure the proper functioning of emergency systems critical for passenger safety in the event of cabin depressurization.
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