As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE OUTBOARD FLAPS STOPPED AT TWO DEGREES ON RETRACTION. AIRCRAFT RETURNED TO NRT AND LANDED WITHOUT INCIDENT. REPLACED THE RIGHT OUTBOARD TRAILING EDGE FLAP ACTUATOR, NR 7 FLAP TRANSMISSION AND THE OUTBOARD FLAP TRACK FAIRING HINGE FITTING LINK.