As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - FLAPS WILL NOT RETRACT WITH DISAGREEMENT FAULT. AIRCRAFT RETURNED TO STATION. AIRCRAFT FERRIED TO FAT FOR REPAIRS. MAINTENANCE REPLACED BOTH LEFT AND RIGHT OUTBOARD FLAP ACTUATORS. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)