ASN Wikibase Occurrence # 290072
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| Date: | Monday 29 April 2013 |
| Time: | 11:15 LT |
| Type: |  Cessna 172M |
| Owner/operator: | |
| Registration: | N20800 |
| MSN: | 17263840 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 10160 hours |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lakeport, California -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Lakeport, CA (1O2) |
| Lakeport, CA (1O2) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the initial climb following takeoff, the engine began to make a rumbling sound. The pilot began a series of troubleshooting steps, and a short time later, the engine lost all power. The pilot performed a forced landing into a vineyard, where the airplane sustained substantial damage to both wings and the horizontal stabilizer.
Examination of the engine revealed catastrophic internal failure focused primarily in the area of the No. 2 piston. Following the failure, excessive heat developed within the engine, which caused the crankshaft to expand and impinge on the oil pump, which in turn failed. The damage sustained to the piston, connecting rod bearing, and connecting rod bolts, prevented an accurate assessment of the failure mode.
Probable Cause: Loss of engine power during climb due to a failure of the No. 2 piston assembly; the reason for the failure could not be determined because of the extent of damage to the piston assembly.
Accident investigation:
 |
|
Sources:
NTSB WPR13LA224
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Oct-2022 07:50 | ASN Update Bot | Added |
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