NTSB Identification: WPR10CA011
14 CFR Part 91: General Aviation
Accident occurred Thursday, October 08, 2009 in Pistol Creek, ID
Probable Cause Approval Date: 04/19/2010
Aircraft: CESSNA 180, registration: N1674C
Injuries: 1 Uninjured.
NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.
The pilot was landing at a remote dirt/grass airstrip where the winds were gusting and variable in direction. Although the touchdown was normal, as he made rudder and brake inputs to maintain directional control, the right main gear leg separated from its mounting structure, and the right wing sustained substantial damage when it contacted the terrain. An inspection of the gear leg attachment hardware determined that the nut on the gear leg attachment bolt had been stripped from the bolt, thus allowing the bolt to come out of the attachment structure. During the pilot's initial contact with the NTSB Investigator-In-Charge, the pilot stated that the airplane's right brake had failed during the landing roll, but in a follow-up interview the pilot stated that he believes that the brake was working fine until the moment the gear leg separated from its mount.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The separation of one of the airplane's main landing gear legs during landing in variable gusting wind conditions, due to the nut being stripped from the attachment bolt. Full narrative available
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