Aviation Accident Summary LAX90DVG02

KNIGHTS LANDING, CA, USA

Aircraft #1

N6977K

SCHWEIZER G-164B

Analysis

A RESTRICTED CATEGORY AIRCRAFT EXPERIENCED A COLLAPSE OF THE MAIN LANDING GEAR DURING THE LANDING ROLL. EXAMINATION OF ONE OF TWO AN9-92A BOLTS REVEALED IT HAD A SHEARED HEAD. THESE BOLTS ATTACH THE RIGHT MAIN LANDING GEAR SPRING LEG.

Probable Cause and Findings

THE FAILURE OF THE RIGHT MAIN LANDING GEAR DUE TO A SHEARED BOLT THAT ATTACHED THE SPRING LEG TO THE GEAR.

 

Source: NTSB Aviation Accident Database

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