On June 26, 1982, a Bellanca 8GCBC (registration N88049) operated by Assoc. Glider Clubs OF S. Ca. was involved in an aviation accident near Jacumba, CA. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
After towing a glider, a pilot landed and while taxiing, the left main gear collapsed, damaging the left wing and propeller. Investigation found a failed landing gear attaching U-bolt with rust.
Incident Details
A pilot returned to the airport after towing a glider and executed a landing. During taxi, the left main landing gear collapsed, resulting in damage to the left wing and propeller.
Investigation Findings
Examination revealed that a landing gear attaching U-bolt, part number 1-10376, had failed. Approximately 50% of the fracture surface exhibited rust.
Maintenance Background
The maintenance officer reported that the bolts were inspected frequently and that several fractured bolts had been discovered and replaced in the past. The manufacturer recommended replacement of the bolt every 500 flight hours. The total time accumulated on the failed bolt could not be determined.