As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFW - WING BOX UPPER SKIN FOUND CORRODED AT AFT DRAIN LOCATION. REMOVED FASTENERS IN CORRODED AREA. REMOVED CORROSION, EDDY CHECKED FOR CRACKS. SPOT FACED FLAP PEENED AREA AND ALODINED. REINSTALLED FASTENER, APPLIED FUEL BARRIER PER AA SPEC P5-54. APPLIED CORROSION INHIBITING COMPOUND PER SRM. APPROVED BY ENGINEERING PER MRB 767-1072. (M)