As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASYMMETRY ON OUTBOARD FLAP, L/R NEEDLES DISAGREE, FLAPS AT 5 DEGREES. DUMPED FUEL AND FOLLOWED THE EMERGENCY PROCEDURES. MAINTENANCE FOUND RT OUTBOARD FLAP FOLLOW UP DRUM IS LOOSE IN THE INSIDE. MAINTENANCE REMOVED AND REPLACED ACTUATOR SWITCH, ALSO REMOVED AND REPLACED THE TRANSMITTER, ALSO PERFORMED THE RIGGING CHECK.