Aviation Accident Summaries

Aviation Accident Summary NYC92LA127

LANCASTER, PA, USA

Aircraft #1

N700MM

PIPER PA-60-602P

Analysis

DURING THE TAKEOFF GROUND RUN, WITNESSES OBSERVED THE AIRPLANE AT A SLOW SPEED, USING THE FULL LENGTH OF THE 4,102-FT RUNWAY BEFORE IT BECAME AIRBORNE BRIEFLY. THE LEFT WING DIPPED, STRUCK SOME POWER LINES, AND THE AIRPLANE CRASHED ON A HIGHWAY STRIKING A CAR. METALLURGICAL TEARDOWN EXAMINATIONS OF THE TWO LEFT ENGINE TURBOCHARGERS DISCLOSED EVIDENCE OF EXTREME WEAR IN THE BEARINGS FROM THE TURBINE WHEEL SHAFTS WHICH RESULTED IN OBSTRUCTED OIL PORTS.

Probable Cause and Findings

THE FAILURE OF THE LEFT ENGINE TURBOCHARGERS BEARINGS, WHICH RESULTED IN A LOSS OF POWER AND SUBSEQUENT DEGRADATION OF CLIMB PERFORMANCE.

 

Source: NTSB Aviation Accident Database

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