ASN Wikibase Occurrence # 284123
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| Date: | Saturday 20 October 2007 |
| Time: | 09:00 LT |
| Type: |  Ryan ST-3KR |
| Owner/operator: | Private |
| Registration: | N780SR |
| MSN: | 2007 |
| Total airframe hrs: | 3457 hours |
| Engine model: | Kinner R-56 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Unadilla, Georgia -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Adel, GA (15J) |
| Perry Houston County Airport, GA (KPXE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was flying the recently-acquired airplane on a cross-country flight. During the descent for landing, the engine shook violently followed by the wooden propeller blades separating at the hub. The pilot landed the airplane in a field, resulting in substantial damage. The previous owner had the propeller replaced with an older one prior to delivery of the airplane, stating that he did not want the new owner to "ding up the expensive new prop." Examination of the remaining hub and attachment bolt revealed evidence of fatigue failure due to excessive looseness of the attachment bolts. The mechanic who replaced the propeller did not adequately document its replacement. Reportedly, the propeller that failed had been in storage for 30 years, and showed evidence of gray staining deep into the wood, indicative of significant moisture penetration over an extended period of time.
Probable Cause: The improper propeller installation by the mechanic.
Accident investigation:
 |
|
Sources:
NTSB NYC08LA015
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Sep-2022 07:56 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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