What was found
AFT CARGO DOOR, INTERIOR SIDE OF THE HINGE IS RUSTED. AFTER REMOVING THE CORROSION FOUND HINGE P/N AFA3953-525 OUT OF LIMITS IAW SRM 52-10-00 FIG 8 VOL I. REMOVED (TO GAIN ACCESS TO REMOVE THE HINGE) AND REINSTALLED FASTENERS ON PARTIAL INTERNAL SKIN, GUARD ASSEMBLY AFA 7384-39. GUARD SUPPORTS (2 EA) AFA7384-9 & -15 AND HANDLE VENT DOOR SPRING BRACKET IAW SRM 51-31-01 VOL II. REMOVED AND INSTALLED NEW HINGE P/N AFA3953-525 IAW SRM 51-31-01; VOL II; 51-38-01; VOL II; PG 12 & DWG AFA3953.