ASN Wikibase Occurrence # 366082
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| Date: | Saturday 6 October 1990 |
| Time: | 11:05 LT |
| Type: |  WACO RNF |
| Owner/operator: | Private |
| Registration: | N11270 |
| MSN: | 3467 |
| Total airframe hrs: | 2751 hours |
| Engine model: | WARNER SS50 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lampasas, TX -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | (T28) |
| (NONE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ENGINE LOST PARTIAL POWER AS THE PILOT TURNED CROSSWIND AFTER TAKEOFF, FOLLOWED B A COMPLETE POWER LOSS DURING THE TURN TO DOWNWIND. THE PILOT SET UP FOR A FORCED LANDING TO THE BEST AVAILABLE FIELD WHICH WAS COVERED WITH BRUSH AND TREES. JUST PRIOR TO TOUCHDOWN, THE ENGINE HAD A MOMENTARY SURGE OF POWER AND THEN QUIT AGAIN. DURING THE LANDING ROLL, THE LEFT MAIN LANDING GEAR COLLAPSED AND THE AIRPLANE NOSED OVER. INVESTIGATION REVEALED THAT THE NO. 6 CYLINDER INTAKE VALVE SPRING WAS BROKEN AND THE CYLINDER WAS RUNNING COLD. ADDITIONALLY, PARTICULATE CONTAMINATION WAS FOUND IN THE FUEL SYSTEM.
Probable Cause: THE FAILURE OF A CYLINDER INTAKE VALVE SPRING.
Accident investigation:
 |
|
Sources:
NTSB FTW91LA004
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 17:14 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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