As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUSELAGE DRAIN VALVE ASSY AT BELLY ZONE 155/156 ,APPROXIMATE FUSELAGE STA. 1373 HAS PULLED THROUGH SKIN AND HAS EXTENSIVE CORROSION AROUND HOLE CREATED,ON OUTER AND INNER SKIN AREA.SKIN IS DEFOLIATING REVIEWED. CUT OUT DAMAGE AREA AT FUSELAGE DRAIN VALVE ASSY AT BELLY ZONE 155/156 APPROXIMATE FUSELAGE STA 1373 IAW 767-300F-SRM 53-00-01-2R-14 REPAIR 14 FIG 201