ASN Wikibase Occurrence # 288720
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| Date: | Tuesday 9 February 2010 |
| Time: | 12:02 LT |
| Type: |  Beechcraft 58 Baron |
| Owner/operator: | |
| Registration: | N3700N |
| MSN: | TJ-311 |
| Total airframe hrs: | 2522 hours |
| Engine model: | Teledyne-Continental TSIO-520 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Portland, Oregon -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Portland International Airport, OR (PDX/KPDX) |
| Hailey-Sun Valley Airport, ID (SUN/KSUN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During takeoff roll, with the airplane between 60 to 70 knots, the inner tube in the nose gear tire failed, causing the tire to flatten and skid and the nose gear to subsequently collapse. The pilot successfully aborted the takeoff and steered the airplane to a stop onto grass just off the right side of the runway. A postaccident examination of the airplane's nose landing gear retract mechanism revealed that the bolt which connects the mechanism's inboard and outboard arms in place had failed in overstress, likely due to the skidding nose gear tire. The failure of the bolt allowed both arms to pivot enough to keep the nose gear retract brace assembly from locking the nose gear in the extended position, which allowed the nose landing gear to collapse.
Probable Cause: The overstress failure of a nose landing gear mechanism bolt, which precluded the nose gear retract brace assembly from locking the nose gear in the extended position and allowed the nose landing gear to collapse. Contributing to the accident was the failure of the nose gear tire's inner tube.
Accident investigation:
 |
|
Sources:
NTSB WPR10LA147
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2022 01:32 | ASN Update Bot | Added |
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