Boeing Urges 737 Max Inspections Over Potential Rudder Control System Issue
By Matt Coleman
Published December 29, 2023
Recently, Boeing has recommended air operators to carry out inspections on its 737 Max planes due to a potential flaw in the rudder control system. This move comes amidst a series of technical issues that have affected the company's best-selling airliner, some of which were linked to two fatal crashes in the past.
FAA Monitoring Targeted Inspections
The US Federal Aviation Administration (FAA) disclosed that it is overseeing targeted inspections of the 737 Max planes to check for a potential loose bolt in the rudder control system, which is responsible for stabilizing the aircraft during flight. The inspections were prompted by a discovery made by an unspecified international operator during routine maintenance.
Boeing's Response and Inspection Process
Boeing spokesperson stated that the issue identified in one of the planes had been addressed, and the inspections are being carried out as a precautionary measure. The inspections involve removing an access panel and visually examining the rudder control system, taking approximately two hours per plane. Boeing emphasized that no incidents related to the potential flaw have been reported during in-service operations.
FAA's Involvement and Future Actions
The FAA assured that it would maintain communication with Boeing and airlines throughout the inspection process. Additionally, it mentioned the possibility of taking further action based on any additional findings related to loose or missing hardware in the rudder control system.
737 Max's History of Technical Issues
The Boeing 737 Max has faced a series of technical challenges since its debut in 2016, with the most significant being the grounding of the aircraft for 20 months following two fatal crashes in Ethiopia and Indonesia. These tragedies prompted Boeing to address issues with the automatic flight control system, ultimately leading to the aircraft's clearance for commercial flights after necessary modifications were made.
Previous Manufacturing Issue
Earlier this year, Boeing uncovered a 'manufacturing issue' affecting a considerable number of undelivered 737 Max planes. This was attributed to a 'non-standard manufacturing process' used by an operator during the installation of fittings in the rear fuselage. Boeing clarified that the matter did not pose an immediate safety risk for flight operations.
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