As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH PILOT SELECTED FULL FLAPS, HEARD LOUD POP AIRCRAFT WANTED TO ROLL RIGHT. CORRECTED WITH AILERON, DECLARED EMERGENCY AND LANDED WITHOUT INCIDENCE. INSPECTED AIRCRAFT FOUND THAT A FLOOR PANEL CLIP NUT HAD BECOME CAUGHT IN FLAP DRIVE GEAR/CHAIN CAUSING INCREASED TENSION ON CABLE CAUSING IT TO SNAP. REPLACED CABLE WITH NEW AND RIGGED FLAPS.