ASN Wikibase Occurrence # 296022
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| Date: | Wednesday 9 April 2003 |
| Time: | 15:35 LT |
| Type: |  Piper PA-22-108 |
| Owner/operator: | Private |
| Registration: | N4860Z |
| MSN: | 22-8436 |
| Year of manufacture: | 1961 |
| Total airframe hrs: | 1876 hours |
| Engine model: | Lycoming O-235-C1B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Rose Hill, Kansas -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Eureka, KS (13K) |
| Derby, KS (K50) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While in cruise flight the engine experienced a loss of power and the pilot performed a forced landing into a hayfield. During the landing rollout the airplane nosed over after encountering a soft area of the field. In response to the loss of engine power, the pilot stated he applied carburetor heat and selected a different fuel tank with no effect on engine operation. An engine test run was performed and the engine would not operate on the left magneto. The left magneto was disassembled and the timing gear keeper was found laying loose in the case. The keeper, timing gear keyway slot, and magneto drive shaft were all worn. The timing gear and keeper were replaced with serviceable components and the magneto was reinstalled on the engine. The engine operated on both magnetos, with acceptable engine rpm drops when selected on the individual magnetos.
Probable Cause: The loss of engine power due to the failure of the left magneto and the pilot's failure to identify the malfunctioning magneto. A factor to the accident was the soft terrain condition encountered during the forced landing.
Accident investigation:
 |
|
Sources:
NTSB CHI03LA100
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Oct-2022 15:37 | ASN Update Bot | Added |
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