ASN Wikibase Occurrence # 282026
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| Date: | Wednesday 24 August 2022 |
| Time: | 10:18 LT |
| Type: |  Cessna 150H |
| Owner/operator: | |
| Registration: | N22507 |
| MSN: | 15068324 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 6976 hours |
| Engine model: | Continental 0-200-A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Nut Tree Airport (VCB/KVCB), CA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Vacaville, CA |
| Sacramento-McClellan Airfield, CA (MCC/KMCC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was conducting a personal flight. During the initial climb after takeoff, the engine lost partial power, and the airplane was unable to maintain altitude. The pilot initiated a forced landing to a nearby field; during the landing roll, the airplane impacted uneven terrain and came to rest upright, which resulted in substantial damage to the left wing and fuselage.
Postaccident examination of the engine revealed that the No. 2 cylinder exhaust valve exhibited signatures consistent with a stuck valve, including a buildup of carbon deposits, and the exhaust valve could only be moved out of the valve guide with a significant amount of force. No additional evidence indicated any pre-existing mechanical malfunction or failure that would have precluded normal operation. Thus, the stuck exhaust valve likely caused the partial loss of engine power.
Probable Cause: The partial loss of engine power due to a stuck exhaust valve.
Accident investigation:
 |
|
Sources:
NTSB WPR22LA316
FAA register: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=22507
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Aug-2022 21:26 | Captain Adam | Added |
| 25-Aug-2022 02:00 | johnwg | Updated [Time, Location, Phase, Departure airport, Destination airport, Source, Narrative, Category] |
| 25-Aug-2022 13:26 | AgOps | Updated [Source] |
| 25-Aug-2022 15:14 | johnwg | Updated [Source] |
| 25-Aug-2022 20:04 | RobertMB | Updated [Time, Phase, Source, Narrative] |
| 26-Aug-2022 02:12 | johnwg | Updated [Time, Phase, Narrative] |
| 19-Aug-2023 08:23 | ASN Update Bot | Updated [[Time, Phase, Narrative]] |
Corrections or additions? ... Edit this accident description
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