ASN Wikibase Occurrence # 295963
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| Date: | Wednesday 23 April 2003 |
| Time: | 11:30 LT |
| Type: |  Cessna 175B |
| Owner/operator: | Private |
| Registration: | N8159T |
| MSN: | 17556859 |
| Year of manufacture: | 1961 |
| Total airframe hrs: | 2187 hours |
| Engine model: | Continental GO-300-D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bonanza, Oregon -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Wellington, NV |
| Klamath Falls-Kingsley Field, OR (LMT/KLMT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that while in cruise flight the engine made a loud sound followed by a partial loss of engine power. Shortly thereafter, smoke started coming in the cockpit and the engine lost complete power. The pilot initiated a forced landing to a county road. During the landing roll, the left wing collided with a power pole. The airplane spun around, the nose gear collapsed and the airplane subsequently nosed over. During the engine inspection, a large hole was found in the crankcase between the number 1 and 2 cylinders. The number 1 connecting rod bearing journal was deeply scored, blue in color and dry. Portions of the number 1 main bearing insert could be observed between the number 1 crank cheek and the number 1 main bearing saddle. The numbers 1 and 2 crank cheeks were blue in color and dry. The number 1 connecting rod was in pieces. The connecting rod cap had a portion of one bolt still present in the cap. The fracture area of the bolt was necked down in diameter and the bolt was blue in color. A matching portion of a bolt with the nut attached was recovered and noted that the fracture area was also necked down in diameter. The pilot reported that the maintenance logbooks had been destroyed in a hangar fire. The pilot also reported that the aircraft had not been maintained in accordance with an annual inspection for some time, as he had not been flying the aircraft since about 1997, when the engine was top overhauled.
Probable Cause: Separation of the connecting rod cap. Annual maintenance inspections which were disregarded by the owner/pilot was a factor.
Accident investigation:
 |
|
Sources:
NTSB SEA03LA069
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Oct-2022 14:56 | ASN Update Bot | Added |
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