A Boeing asked all 737 MAX operators to do a safety check. According to the FAA, an unidentified operator discovered a loose screw in the rudder control system on a model unit during routine maintenance.
Furthermore, Boeing encountered the same problem in an aircraft that was in the final stages of delivery, however, the screw was not properly tightened. Now, all Boeing 737 MAX operators must carry out a preventive inspection to find out which planes have the same problem as the 1.370 planes already delivered.
“Out of an abundance of caution, we recommend that operators inspect their 737 MAX aircraft and report any findings to us.”, Boeing said in a statement.
This is not the first time that Boeing has faced problems involving quality in aircraft manufacturing. In recent years, the manufacturer has been collecting numerous episodes that have negatively impacted confidence on the part of operators, as well as regulatory bodies.
Boeing also announced that it will investigate all new aircraft that will be delivered, to ensure that no other planes leave the factory with the newly discovered problem.
Finally, Boeing guidance to resolve the problem requires operators to remove an access to visually assess the nuts and bolts on the rudder, the procedure takes around two hours.
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