What was found
DURING ROUTINE C-CHECK FOUND SEVERAL CRACK INDICATIONS ON EXTERNAL SKIN AND DOUBLER AT MAIN CARGO DOOR. STEP REAMED HOLES, FABRICATED FREEZE PLUG BUSHINGS, AND RADIUS FILLER, ALODINED, PRIMED, AND INSTALLED IAW FVC DRAWING 53-0066-1, ATLANTA ACO APPROVAL LETTER, B727-200 SRM 51-30-2, 51-10-2, 51-10-7.