ASN Wikibase Occurrence # 190490
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| Date: | Tuesday 4 October 2016 |
| Time: | 15:11 |
| Type: |  Cessna 172K Skyhawk |
| Owner/operator: | Private |
| Registration: | N46377 |
| MSN: | 17257226 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 3194 hours |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kenosha County south of Randall, WI -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Burlington, WI (BUU) |
| Wheeling, IL (PWK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot stated that the engine experienced a partial loss of power shortly after takeoff on the local flight. In an effort to regain power, the pilot switched fuel tanks, applied carburetor heat, and richened the fuel mixture, but the engine continued to operate at reduced power. The pilot attempted to land at a nearby airport; however, he overshot the runway and decided to perform a forced landing to an adjacent cornfield. During the landing, the right wing impacted the corn, and the airplane came to rest upright.
Partial disassembly of the engine revealed a failure of the No. 1 piston pin plug due to corrosion in the No. 1 cylinder barrel. The plug failure resulted in significant oil contamination and subsequent oil starvation and damage to the crankshaft connecting rod bearings. The damage to the bearings resulted in the partial loss of engine power.
Probable Cause: A failure of the No. 1 piston pin plug due to corrosion in the cylinder barrel, which resulted in oil contamination, oil starvation to the crankshaft connecting rod bearings, and a subsequent partial loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB
History of this aircraft
Other occurrences involving this aircraft
| 4 February 1972 | N46377 | Southwest Flyi | 1 | Sugar Land, TX | |
min |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2016 00:24 | Geno | Added |
| 19-Aug-2017 08:48 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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