ASN Wikibase Occurrence # 356784
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| Date: | Sunday 25 August 1996 |
| Time: | 17:09 LT |
| Type: |  Mooney M20J |
| Owner/operator: | Private |
| Registration: | N4538H |
| MSN: | 24-0795 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 2597 hours |
| Engine model: | Lycoming IO-360-A3B6D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lubbock, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | , TX (KLBB) |
| Las Cruces, NM (KLRU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a climb to cruise, between 5,000 and 6,000 feet msl, on an IFR flight in VMC, the pilot 'declared an emergency due to his engine cutting out and he had a little manifold pressure/RPM.' The pilot tried to reach Reese AFB about 3 to 4 miles away; however, the airplane landed short of the airport in a cotton field. During the landing roll, the right main gear collapsed, and the right wing separated from the airframe at the forward attachment point. During a postaccident examination, an FAA inspector found that both of the magneto retention nuts that held the single drive magneto to the engine had loosened, and the magneto became disengaged from its drive gear. Maintenance records revealed that the magneto was overhauled and reinstalled during an engine overhaul on April 12, 1996. The airplane had flown 120 hours since the installation. According to the FAA inspector, the 'magneto was installed with the correct hardware.'
Probable Cause: inadequate maintenance by maintenance personnel, which resulted in a total loss of engine power when the magneto disengaged from the engine. A related factor was the lack of suitable terrain for a forced landing.
Accident investigation:
 |
|
Sources:
NTSB FTW96LA357
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 10:50 | ASN Update Bot | Added |
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