As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP MOTOR BURNED OUT. SUBMITTER STATED THEY PUT 2 NEW UNITS IN FROM CESSNA, CHECK OF ACTUATOR AND GEARBOX FOUND NO DEFECTS. TURNS FREELY. CHECKED WIRES, NO DEFECTS. UNKNOWN CAUSE OF FAILURES. DATE OF MANUFACTURE OF MOTOR NR 2 IS 7/99. (X)