ASN Wikibase Occurrence # 356952
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| Date: | Tuesday 30 July 1996 |
| Time: | 19:21 LT |
| Type: |  Piper J3C |
| Owner/operator: | Private |
| Registration: | N3445K |
| MSN: | 22136 |
| Year of manufacture: | 1946 |
| Total airframe hrs: | 2596 hours |
| Engine model: | Continental A-65-8 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Camp Lake, WI -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | (49C) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the number two cylinder and piston had just been replaced on the engine. He preflighted the aircraft, then did a twenty minute engine run-up. He then departed for a test flight around the airport. During the climb, the engine began to 'slow down,' so the pilot started a turn back to the airport. While he was in the turn, the engine seized. The pilot reported that due to lack of altitude, he was unable to reach a clear area, and he was forced to land in trees. Examination of the engine revealed that the number two piston had seized in the cylinder. The number 2 cylinder's bore was reported to be 0.007 inch over standard, and the piston was 0.015 inch oversize. The piston was galled as a result of the engine seizure. The cylinder and piston, which were used for repair, were used parts. The mechanic who had installed the parts reported that adequate clearances had existed.
Probable Cause: seizure of the number 2 piston. Inadequate maintenance was a related factor.
Accident investigation:
 |
|
Sources:
NTSB CHI96LA262
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 12:39 | ASN Update Bot | Added |
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