As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER HOLES (2EAS) OF RH OUTBOARD WING FLAP HINGE FITTING ALSO CORROSION AND WEAR ON AFT OUTBOARD HINGE POINT (OUT FACE)OF SAME HINGE. RT OUTBOARD WING FLAP HINGE FITTING WAS REPAIRED PER CMM 27-50-5, PRI 634038-14 REV 6. & ER/A 634038-14 REV. (1598977) (AIRCRAFT GROUNDED)