NEW YORK, NY, USA
N812EA
BOEING 727-225
WHILE ON WALK AROUND INSPECTION THE FLIGHT CREW NOTICED A BURNED THROUGH AREA ON THE NUMBER ONE ENGINE OUTBOARD COWLING. THE ENGINE WAS REMOVED FROM SERVICE AND DISASSEMBLED AND EXAMINED. THE FAN DUCT AND THE ENGINE COMBUSTION OUTER LINER WERE ALSO BURNED THROUGH. THE NUMBER 7,8,9, COMBUSTION CHAMBERS WERE FOUND TO BE PARTIALLY BURNED AWAY AND DISTORTED. THE COMBUSTION CHAMBERS HAD BEEN PREVIOUSLY REMOVED AND WELD REPAIRED ABOUT 16000 HOURS PRIOR TO THIS FAILURE. THE CHAMBERS EXHIBITED THERMAL FATIGUE FAILURES.
Source: NTSB Aviation Accident Database
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