ASN Wikibase Occurrence # 287027
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| Date: | Friday 24 April 2009 |
| Time: | 08:50 LT |
| Type: |  Cessna 177 |
| Owner/operator: | Private |
| Registration: | N2803X |
| MSN: | 17700203 |
| Total airframe hrs: | 3382 hours |
| Engine model: | Lycoming O-320 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kinston, North Carolina -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Norfolk-Chesapeake Regional Airport, VA (KCPK) |
| Wallace-Henderson Field, NC (KACZ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During cruise flight the pilot stated that the engine suddenly and without warning began running rough with "...much vibration." He reduced power, which reduced the vibration, and the airplane began losing altitude. He proceeded to the nearest airport but after recognizing that he would be unable to land there, he maneuvered the airplane for a forced landing in a field. Examination of the engine revealed the No. 1 cylinder exhaust valve was broken and the top of the No. 1 cylinder and piston were damaged by the broken valve. Although the engine was last overhauled on August 12, 1989, the cylinders were not replaced at that time. The overhaul entry indicates that the cylinders were only inspected and honed. Further, there was no record that the No. 1 cylinder had been removed and replaced since the engine was overhauled. The engine had accumulated approximately 1,310 hours since overhaul at the time of the accident. The reason for the No. 1 exhaust valve failure was not determined.
Probable Cause: A partial loss of engine power due to the failure of the No. 1 cylinder exhaust valve for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB ERA09LA271
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Oct-2022 19:43 | ASN Update Bot | Added |
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