ASN Wikibase Occurrence # 198738
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| Date: | Tuesday 6 October 2015 |
| Time: | 19:00 |
| Type: |  Beechcraft 58 Baron |
| Owner/operator: | RCL Farms Leasing LLC |
| Registration: | N25734 |
| MSN: | TH-390 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 1145 hours |
| Engine model: | Continental IO 520 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Albany, GA -
 United States of America
|
| Phase: | Standing |
| Nature: | Private |
| Departure airport: | Dawson, GA (16J) |
| Albany, GA (ABY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While taxiing from the runway after landing, the commercial pilot noted "softness" when he applied the left brake. Upon entering the ramp area, he further applied the brakes and attempted to slow the airplane; however, the brakes had no effect. The airplane rolled off the ramp, into the grass, and impacted an airport perimeter fence.
Examination of both left and right main landing gear brake torque plates revealed that they had fractured in fatigue, and that the fatigue cracks emanated from corrosion pitting within the attachment bolt holes. The corrosion pits in the attachment bolt holes were stress risers that likely reduced the strength of the plates. It is likely that, during the most recent maintenance inspection, about 7 months before the accident, the mechanic failed to thoroughly inspect the brake system as required, which would have detected the corrosion and fatigue cracks prior to their ultimate failure.
Probable Cause: The mechanic's inadequate inspection of the brake system during the most recent annual inspection, which resulted in the failure of both left and right main landing gear torque plates and a subsequent loss of braking action.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 14:55 | ASN Update Bot | Added |
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