NTSB Identification: ANC92LA113.
The docket is stored on NTSB microfiche number 47570.
Accident occurred Tuesday, July 28, 1992 in WASILLA, AK
Probable Cause Approval Date: 05/26/1993
Aircraft: CESSNA 175, registration: N9304B
Injuries: 3 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

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.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

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

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