As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP HANDLE WILL NOT CLICK INTO DE-TENT ON LANDING. INSPECTION SHOWED DETENT PIN SHEARED IN HALF THROUGH RETENTION ROLL PIN HOLE. CAUSING FLAP TO RETRACT ON LANDING. ORIGINAL PART IS .1875 DIA, CURRENT PRODUCTION PART IS NOW .2500 DIA.