ASN Wikibase Occurrence # 298661
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| Date: | Monday 17 July 2000 |
| Time: | 14:13 LT |
| Type: |  Cessna P210N |
| Owner/operator: | Private |
| Registration: | N5256W |
| MSN: | P21000664 |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 3045 hours |
| Engine model: | Continental TSIO-520 P |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | RICHFIELD SPRNG, New York -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | JOHNSTOWN , NY (NY0 |
| COLUMBUS , OH (KCMH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While in cruise flight about 3,700 feet mean-sea-level, the pilot heard a loud 'pop', and the engine lost all power. The pilot performed a forced landing to a field, struck a rock, and the airplane came to rest inverted. Examination of the engine revealed that the crankshaft had separated between the number two and number three connecting rods. Additionally, the main bearing from the number two cylinder had shifted rearward. Material transfer, between the bearing and the area of the crankshaft near the fracture, was consistent with the bearing rubbing against the crankshaft. Review of the maintenance records, from the facility the previously performed maintenance on the airplane, revealed that all six cylinders were replaced about 100 hours of operation prior to the accident. One of the through-bolts was found to be at a torque setting that was less than the specified torque setting. The investigation could not determine if the bolt was not at a proper torque setting before the accident, or if the impact had loosened the bolt. The owner of the maintenance facility stated that the bolts were set to the correct torque.
Probable Cause: Failure of the number two cylinder main bearing for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB NYC00LA200
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 21:08 | ASN Update Bot | Added |
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