Snapshot trigger lever loose or broken.
POSSIBLE CAUSES AND SOLUTIONS
CAUSE: Weak or broken trigger spring.SOLUTION: Replace with new trigger spring.
CAUSE: Trigger and/or trigger link assembly worn or broken.SOLUTION: Replace with new part(s)
CAUSE: Trigger assembly E-clip missing or not in retaining groove.SOLUTION: Replace or install E-clip in retaining groove.
CAUSE: Trigger assembly shaft hole in rotor houseing too loose.SOLUTION: Replace rotor housing.