ASN Wikibase Occurrence # 296804
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| Date: | Saturday 10 August 2002 |
| Time: | 10:08 LT |
| Type: |  Bellanca 17-31A |
| Owner/operator: | Private |
| Registration: | N39835 |
| MSN: | 73-32-96 |
| Total airframe hrs: | 2029 hours |
| Engine model: | Lycoming IO-540-K1E5 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gainesboro, Tennessee -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Gainesboro, TN (1A7) |
| Somerset-Lake Cumberland Regional Airport, KY (SME/KSME) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
At an altitude of 3,500 feet, the airplane's engine began vibrating. The pilot said he was unable to maintain altitude and at about 1,800 feet the engine stopped operating. On approach to an open field the landing gear impacted a barbwire fence, collapsed, and the right wing hit a post, causing the airplane to veer to the right before coming to rest. Examination of the wreckage revealed that the number 3 cylinder was pushed away from the case. The cylinder studs were stripped as though the nuts had been force off without rotating. An engine teardown revealed that a main bearing on the crankshaft journal had spun; causing a reduction in forced oil lubrication, and seized the connecting rod, which forced the cylinder away for the case. The cause of the spun main bearing, which forced the cylinder displacement, was not determined.
Probable Cause: a total loss of engine power due to the failure of the main bearing, a loss of oil pressure and the seizure of a connecting rod, resulting in damage to the airplane during the subsequent forced landing.
Accident investigation:
 |
|
Sources:
NTSB MIA02LA147
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Oct-2022 11:00 | ASN Update Bot | Added |
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