In the issuance of a directive, which requires airlines that have joined their aircraft fleets to Boeing 737-ΜΑΧ, to carry out additional inspections of the automated flight control system that it has, the US Federal Aviation Administration (FAA) proceeded yesterday (16/06).
This directive makes the relevant inspection technical guidelines published by Boeing in December mandatory. For aircraft with more than 6,000 flight hours, Boeing has recommended special checks on the 737 MAX electronic flight control systems.
The automated flight control system (MCAS) of the said aircraft was connected to two tragic plane crashes with 737 MAX, consistently the fixing of aircraft of the same type on the ground, with this restriction lifted last November.
The three repeat inspections should be carried out within the planned aircraft maintenance programs, according to the FAA and as transferred by ΑΠΕ-ΜΠΕ.
Boeing 737 MAX: All companies have included inspections in their maintenance plans
The same federal agency issued a special airworthiness announcement to the international community (CANIC) yesterday, Wednesday, June 16, in order to “emphasize the importance of the reported inspections for international supervisors, but also for airlines outside the United States.”
The said directive must be applied to approximately 72 737 MAX aircraft which have a US registration number and 389 aircraft operating internationally, according to the FAA.
Boeing announced that it “fully supports the FAA Directive which requires operational inspections at specific intervals in the digital flight control system, in the compensation stabilizer (tail fin), but also in primary and secondary control parts of the same system “.
The three repeat inspections will be made within the technical support programs already in place “, according to the FAA, “to ensure the continued operation of specific aircraft systems throughout its operational use”.
The FAA has stated that implementation of the Directive is mandatory because “the possibility of a latent malfunction of the flight control system”, if combined with “unusual flight maneuvers or other malfunctions of the flight control system”, could reduce the ability to control the flight. of the aircraft.
According to the FAA, All airlines that have registered 737 MAX aircraft have already included these inspections in their aircraft maintenance programs.
The 737 MAX were grounded in March 2019 worldwide after two plane crashes that took place over a period of five months, resulting in the death of 346 people.
The suspension of the aircraft was completed in November 2020 by the FAA, after Boeing’s move to make significant flight safety upgrades, as well as improvements in pilot training, as well as adding new safety valves to the MCAS operation.
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