Bolts in need of "additional tightening ... initial reports from technicians preparing its 737 Max 9 fleet for inspection indicated "some loose hardware was visible on some aircraft".

Federal investigators say a door panel slid up before flying off an Alaska Airlines jetliner last week, and they are looking at whether four bolts that ... other Boeing 737 Max 9 jets.

"The fact that United has now found some aircraft with loose bolts, that just means that the investigation is going to be expanded." A diagram of the 737 MAX 9 door plug posted by the US National ...

US authorities have grounded most of Boeing’s 737 Max 9 aircrafts after an ... have identified what they called “loose hardware” or “bolts that needed additional tightening” in the ...

In response to the in-flight emergency, the airline grounded its fleet of 65 Boeing 737 Max 9 planes pending a safety inspection. The subsequent inspection revealed there "many" loose bolts were ...

A Boeing 737 Max 9's fuselage door plug blew off mid-flight ... A preliminary investigation revealed that four bolts that were supposed to hold the door plug in place were missing, after the ...

The nation’s top accident investigator says warning lights were triggered on three flights, including each of the two days before the brand-new Boeing 737 Max ... it found loose bolts and ...

In April last year, Boeing reported issues with a supplier part on the 737 MAX that was expected ... customers to inspect for loose hardware on plane rudder control systems after an international ...