As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT, THE OUTBOARD TRAILING EDGE FLAPS WOULD NOT RETRACT PAST 10 DEGREES IN NORMAL OR ALTERNATE POSITION. CREW FOLLOWED COCKPIT OPERATING MANUAL, DUMPED 58,000 LBS OF FUEL, AND MADE AN UNEVENTFUL LANDING IN NRT. MAINTENANCE REPLACED SCREW ASSEMBLY AND NR 2 AND NR 7 TRANSMISSIONS. PERFORMED SYSTEM OPERATION AND CHECK WAS NORMAL.