ASN Wikibase Occurrence # 198617
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| Date: | Friday 30 September 2016 |
| Time: | 14:30 |
| Type: |  Cessna 177RG Cardinal RG |
| Owner/operator: | Private |
| Registration: | N1528H |
| MSN: | 177RG0704 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 9668 hours |
| Engine model: | Lycoming IO-360-A1B6D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Cloquet, MN -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Cook, MN (CQM) |
| Hinckley, MN (04W) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, during cruise flight, the airplane’s engine began making an unusual ticking sound and the oil pressure was low. The oil pressure continued to drop, and the engine began to “knock” louder until it experienced a total loss of power. The pilot attempted to glide to an airport, but the airplane had insufficient altitude and landed in a field short of the intended runway. Postaccident examination of the engine revealed that the No. 4 connecting rod had failed, and displayed signatures consistent with a lack of lubrication. The other connecting rods also exhibited signs of a lack of lubrication, and the oil pickup screen contained debris. The engine had sufficient oil in the sump, and examination of the components of the oil system failed to reveal any preimpact anomalies. The engine manufacturer recommended that engines be overhauled at least every 12 years due to possible deterioration of engine components and abnormal wear on soft metal bearing surfaces during engine start procedures. The accident engine had not been overhauled for 23 years; however, the investigation was unable to determine if or to what extent the damage to the engine was a result of the connecting rod failure or may have occurred before the failure.
Probable Cause: A lack of lubrication in the engine for reasons that could not be determined based on the available information, which resulted in a failure of the No. 4 connecting rod and a subsequent total loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 13:17 | ASN Update Bot | Added |
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