As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT SELECTED FLAPS DOWN 20 DEGREES FOR TAKEOFF. FLAPS WENT PAST 20 DEGREE POSITION, PAST 40 DEGREE DOWN POSITION, AND STOPPED AT THE MECHANICAL STOP. INVESTIGATION REVEALED FLAP DOWN RELAY FAILED ALLOWING CONTACTS TO TOUCH AT ALL TIMES. RELAY REPLACED TO CORRECT PROBLEM AND FLAPS RIGGED.