ASN Wikibase Occurrence # 295593
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| Date: | Wednesday 2 July 2003 |
| Time: | 09:08 LT |
| Type: |  Piper PA-24 |
| Owner/operator: | |
| Registration: | N6315P |
| MSN: | 24-1425 |
| Year of manufacture: | 1959 |
| Total airframe hrs: | 3552 hours |
| Engine model: | Lycoming O-360 |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Winamac, Indiana -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | PLYMOUTH, MI (1D2) |
| Perryville, MO (K02) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was damaged during a forced landing in a rough plowed field following a loss of engine power during cruise flight. Examination of the engine revealed that the crankshaft gear retaining bolt was missing and the gear's anti-rotation pin was sheared. The oil pan of the engine was examined and no bolt was found. The crankshaft gear retaining bolt was not found within the engine. A review of the maintenance records revealed that the engine was last overhauled on April 6, 1986, and had accumulated 522 hours time in service since the overhaul. No subsequent logbook entries were noted that indicated removal of the crankshaft gear or retaining bolt.
Probable Cause: A loss of engine power due to the improper installation of the crankshaft gear due to the omission of the retaining bolt and subsequent shear failure of the anti-rotation pin. The unsuitable terrain encountered, and the rough field were factors.
Accident investigation:
 |
|
Sources:
NTSB CHI03LA187
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Oct-2022 10:19 | ASN Update Bot | Added |
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