As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. EMERGENCY DECLARED. DFW-SFO FLIGHT RETURNED TO DFW ACCOUNT NR 3 FLAP STUCK IN TRANSIT AFTER TAKEOFF. FIRST CYCLE OF FLAPS RAISED SLAT, 2 MINUTES LATER THE LIGHT CAME ON AGAIN AND WOULD NOT RESET. OVERWEIGHT LANDING UNEVENTFUL. ACCOMPLISHED BITE RESET AND TEST OF THE FLAP/SLAT ELECTRONICS UNIT PER FIM 27-88-00. INTERMITTENT FAULT WITH NO HISTORY.