As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REMOVAL OF AFT DOOR HINGE FOUND CORROSION ON LOWER WING PLANK SURFACE AT WS 54.55. RECEIVED AND COMPLIED WITH REO 670-57-31-644. REPAIRED IAW REO 670-57-21-644 AND ECTC REO 670-57-21-644. THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR IAW ASA SOP 5702.