皇冠体育app

Summary:

G-EZFX was operating a flight from La Rochelle Airport in France to London Gatwick Airport with 105 passengers and six crew on board. During the climb after takeoff the crew noticed some vibration which ceased after a few minutes. 皇冠体育app vibration returned intermittently during the flight until, while the aircraft was holding at FL120 before making an approach to Gatwick Airport, it occurred accompanied by a strong burning smell (which went away quickly). 皇冠体育app vibration and smell occurred again a few minutes later, so the crew donned their oxygen masks, declared a PAN and asked for an immediate landing. 皇冠体育app smell ceased during the approach.

皇冠体育app operator reported that the vibration and smell were caused by a bearing failure in the avionics bay extractor fan. A program to overhaul the fans was already in place for units with more than 20,000 flying hours but the unit in this incident failed after 19,363 hours.

皇冠体育app operator also reported that the manufacturers of the fan and the aircraft were developing a new fan design which would include a vibration monitoring unit to shut down the fan prior to bearing failure.

Download report:

Download glossary of abbreviations:

Glossary of abbreviations