What was found
HIDDEN DAMAGE INSPECTION LT AFT SERVICE DOOR 2ND FRAME, 4" FROM FWD EDGE, UPPER SURFACE OF LOWER FRAME SHEAR TIE IS CORRODED. [07-26-07] BLENDED OUT DAMAGE, ORIGINAL MATERIAL IS .050", MATERIAL LOSS OF .001", REMANING MATERIAL IS .049", WITHIN LIMITS. TOOL USED IN17-0458 CAL DATE 4-24-08 REF SRM 52-00-2, TREATED AND PRIMED REF 51-10-2.