ASN Wikibase Occurrence # 298836
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| Date: | Wednesday 21 June 2000 |
| Time: | 10:30 LT |
| Type: |  Cessna 150M |
| Owner/operator: | Valley Flight Center |
| Registration: | N704QJ |
| MSN: | 15078787 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 11044 hours |
| Engine model: | Continental O-200-A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | EL MONTE, California -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | (KEMT) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During cruise, the engine lost power then nosed over during a forced landing in an open, dirt field. No mechanical anomalies were experienced with the engine sound or gages prior to the loss of engine power. About 10 minutes into the flight the engine began to run roughly. The CFI performed the emergency checklist and picked one of two open fields to make a forced landing. During the approach to the second field, a construction vehicle drove into their flight path. The CFI shortened the approach and landed in the first field. On the landing roll the nose wheel dug into the dirt and the airplane nosed over. The external examination of the engine revealed that the left muffler end cap had separated in an outward direction from the muffler about 350 degrees in circumference in a 45-degree angle. This allowed heat to be directed at the firewall. The P-leads located within the electrical harness were melted, which allowed the conductors to short within the wires.
Probable Cause: The inadequate maintenance inspection by other maintenance personnel of the exhaust system that resulted in an eroded muffler that allowed hot gases to impinge on magneto wiring and resulted in loss of engine power. A factor was the soft terrain at the forced landing site.
Accident investigation:
 |
|
Sources:
NTSB LAX00LA237
History of this aircraft
Other occurrences involving this aircraft
| 15 October 1995 | N704QJ | Long Beach Flying Club | 0 | Brea, CA | |
sub |
| 13 November 2019 | N704QJ | Private | 0 | Red Rock, Arizona | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 23:18 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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