ASN Wikibase Occurrence # 284201
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| Date: | Tuesday 2 October 2007 |
| Time: | 09:30 LT |
| Type: |  Cessna 172N |
| Owner/operator: | Private |
| Registration: | N6291D |
| MSN: | 17272697 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 3958 hours |
| Engine model: | Lycoming O-320-H2AD |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Green Valley, Arizona -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | Marana Regional Airport, AZ (AVW/KAVQ) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During cruise flight, the engine suddenly started to run rough and backfire periodically. The pilot attempted to troubleshoot the rough-running engine without success and decided to initiate a precautionary landing to a nearby road. During the landing roll, the airplane struck two road signs and a barbwire fence, substantially damaging the left and right wings. Examination of the engine revealed that the number three cylinder exhaust rocker arm was disconnected from the cylinder due to the rocker arm hold down nut backing off.
Probable Cause: The loss of engine power due to the separation of the number three cylinder exhaust rocker arm.
Accident investigation:
 |
|
Sources:
NTSB SEA08LA001
History of this aircraft
Other occurrences involving this aircraft
| 7 December 2023 | N906KS | Kingsky Flight Academy | 0 | Zephyrhills Airport (ZPH/KZPH), Zephyrhills, FL | |
sub |
| Loss of control | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Sep-2022 13:05 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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