ASN Wikibase Occurrence # 285721
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| Date: | Sunday 10 August 2008 |
| Time: | 17:45 LT |
| Type: |  Piper J3C-65 Cub |
| Owner/operator: | Private |
| Registration: | N42080 |
| MSN: | 14307 |
| Engine model: | Continental C90-8F |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | North Branch, Minnesota -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | West Rush Lake, MN |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the engine started running rough and vibrating. He turned the ignition key to "OFF" and executed a forced landing to a field. The fuselage sustained substantial damage during the forced landing to a rough field. The inspection of the engine revealed that the number one cylinder connecting rod had failed. It exhibited signatures consistent with overheating. The number one cylinder connecting rod bearing was extruded and pieces were found in the oil screen. The bearing exhibited signatures consistent with overheating. About 2 quarts of oil were found in the engine sump with no signs of external oil leakage. The pilot reported that oil level during the preflight was over 4 quarts.
Probable Cause: The loss of engine power as a result of oil starvation to the number one rod bearing and number one connecting rod. Contributing to the accident was the rough terrain.
Accident investigation:
 |
|
Sources:
NTSB CHI08CA250
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Oct-2022 14:03 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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