Aviation Accident Summary NYC91LA020

PARKERSBURG, WV, USA

Aircraft #1

N52DC

DASSAULT-BREGUET FALCON 50

Analysis

N52DC WAS CLIMBING THRU FL280 WHEN THE FLT CREW FELT A 'VIOLENT SHUDDER' IN THE AIRFRAME AND OBSERVED INDICATIONS OF A LEFT ENGINE FAILURE. VISUAL EXAMINATION OF THE LEFT ENG REVEALED THE FAN SECTION HAD SEPARATED (UNCONTAINED FAILURE/TEARAWAY). THE AIRPLANE WAS LANDED WITHOUT FURTHER INCIDENT. A POST-ACCIDENT EXAM OF THE PARTS REVEALED THE FAN DISC FAILED CATASTROPHICALLY DUE TO LOW CYCLE FATIGUE.

Probable Cause and Findings

CATASTROPHIC FAILURE OF THE LEFT ENGINE FAN DISC DUE TO LOW CYCLE FATIGUE.

 

Source: NTSB Aviation Accident Database

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