ASN Wikibase Occurrence # 291536
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| Date: | Thursday 28 December 2006 |
| Time: | 16:12 LT |
| Type: |  Piper PA-24-260 Comanche B |
| Owner/operator: | |
| Registration: | N9284P |
| MSN: | 24-4784 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 5228 hours |
| Engine model: | Lycoming IO-540-C4D5D |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Belleville, Illinois -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Monticello, IL (2K0) |
| Belleville-Scott AFB, IL (BLV/KBLV) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that after takeoff he selected landing gear-up, but the corresponding position light did not illuminate. He checked the landing gear motor circuit breaker and found it tripped. The pilot was unable to get the landing gear to fully extend or retract during subsequent attempts. The destination airport control tower verified that the landing gear was not fully extended during a fly-by after the pilot had attempted an emergency landing gear extension. The pilot decided to retract the landing gear as much as possible and perform a wheels-up landing in a grass area adjacent to a runway. The airplane sustained substantial damage to a fuselage bulkhead during landing. Inspection of the airplane showed that the right main landing gear was partially extended with its wheel and lower strut assembly rotated in the wheelwell. The bolt that attached the upper and lower portions of the torque link assembly was sheared in half. The lower torque link was jammed against the wheelwell structure, which restricted the movement of the entire landing gear assembly. The bolt fracture features were consistent with shear overstress, as a result of torsion during the action of the torque link assembly. The bolt fracture face did not contain any evidence of fatigue cracking. The separated bolt sections were seized within the upper and lower torque links, as a result of surface corrosion.
Probable Cause: The failure of the torque link bolt which resulted in the right main landing gear strut scissors separating and becoming jammed in the wheel well. Contributing to the accident was the seized torque link bolt due to surface corrosion.
Accident investigation:
 |
|
Sources:
NTSB CHI07LA056
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Oct-2022 15:58 | ASN Update Bot | Added |
| 29-May-2023 06:55 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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