ASN Wikibase Occurrence # 385674
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| Date: | Sunday 1 July 2001 |
| Time: | 07:05 LT |
| Type: |  Cessna 172N |
| Owner/operator: | Westair Aviation |
| Registration: | N737SH |
| MSN: | 172-69636 |
| Total airframe hrs: | 7273 hours |
| Engine model: | Lycoming O-320-H2AD |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Boulder City, NV -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Boulder City, NV (61B) |
| Las Vegas-North Las Vegas Airport, NV (VGT/KVGT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane nosed over during a forced landing following a loss of engine power while in cruise flight. The engine lost power 2 days prior to the accident due to an internal magneto timing problem. The magneto timing was reset and the airplane was returned to service. A post accident examination of the engine revealed the magneto contact points would not open. The magneto was retimed and found to operate normally. According to the maintenance records, a 100-hour inspection took place 3.1 hours prior to the accident. The earlier magneto maintenance adjustment took place at an unknown time between the 100-hour inspection and the accident flight.
Probable Cause: the loss of engine power while in cruise flight due to the mechanic's improper magneto timing.
Accident investigation:
 |
|
Sources:
NTSB LAX01LA231
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Apr-2024 06:44 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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