Aviation Accident Summary ANC92LA113

WASILLA, AK, USA

Aircraft #1

N9304B

CESSNA 175

Analysis

THE PILOT STATED THAT WHILE IN CRUISE FLIGHT HE HEARD 3 LOUD BANGS FROM THE ENGINE, THEN IT SEIZED. DISASSEMBLY OF THE ENGINE FOUND THE SLUDGE PLUG DISLODGED, AND THE CRANKSHAFT BROKEN AT THE NO. 3 ROD JOURNAL.

Probable Cause and Findings

FAILURE OF THE ENGINE CRANKSHAFT DUE TO AN OIL PASSAGE HOLE BEING BLOCKED. CONTRIBUTING TO THE ACCIDENT WAS THE UNSUITABLE TERRAIN.

 

Source: NTSB Aviation Accident Database

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