Fuel Leak Likely Culprit in Singapore Airlines Engine Fire |
Investigators
have determined that fuel entered the oil system of the right engine of the
Singapore Airlines Boeing 777-300ER that caught fire at Singapore Changi Airport
on June 27. The breach resulted from a crack in a tube in the engine’s main fuel
oil heat exchanger (MFOHE), according to an interim report issued by the Air
Accident Investigation Bureau of Singapore. Engine maker GE Aviation had issued
a Service Bulletin in December 2014 calling for the removal of certain MFOHEs,
inspection for cracks in their fuel tubes and for repairs and certain
“improvement works,” it added. While GE recommended that operators conduct the
actions no later than the next engine shop visit, the engine that caught fire
had last undergone a shop visit in March 2014, nine months before the company
issued the bulletin.
Flight
SQ368 caught fire after returning to Changi Airport some two hours into a flight
to Milan. The crew diverted after a cockpit indicator for its right GE90-115B
engine had shown oil loss. Shortly after landing at 6:50 a.m. local time, the
airplane’s wing caught fire near the right engine. Already on standby, Changi’s
airport emergency service responded immediately and extinguished the fire within
five minutes. Read
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