DFW AIRPORT, TX, USA
N253AT
AEROSPATIALE ATR-72
WHILE TAXIING, THE NUMBER ONE ENGINE FIRE WARNING LIGHT ILLUMINATED. THE PILOT AND CO-PILOT INITIATED AN ENGINE SHUTDOWN AND COMPLETED APPROPRIATE EMERGENCY PROCEDURES. AN EXAMINATION OF THE AIRCRAFT REVEALED THAT THE NO. 1 ENGINE MANIFOLD WAS BLOCKED WITH COKING DEPOSITS RESULTING IN FUEL SPILL AND SUBSEQUENT FIRE WITHIN THE NACELLE.
On March 4, 1994 at 1450 central standard time, an Aerospatiale ATR-72, N253AT, operating as American Eagle flight 3740, experienced an engine cowling fire while taxiing at the DFW Airport, Dallas/Fort Worth, Texas. The four crew members and 52 passengers were not injured. Visual meteorological conditions prevailed for the intended 14 CFR Part 121 flight. In the Pilot/Operator report, the pilot stated that the number one engine fire warning light illuminated. He further stated that he and the co-pilot performed the emergency checklist and then evacuated the passengers out of the rear door of the aircraft. The fire was suppressed by the crew using the published emergency procedures. A detailed examination of the aircraft by the operator revealed that the No. 1 engine drain manifold was blocked with "coking" deposits. The operator also stated that "internal pressure caused a fuel spill inside the nacelle with resultant fire."
THE BLOCKED NUMER 1 ENGINE DRAIN MANIFOLD.
Source: NTSB Aviation Accident Database
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