What was found
AT C-CHECK, FOUND RT SIDE OF AFT FUSELAGE STATION FS 1186 STRINGER 26R HAS A CRACK RUNNING FROM A RIVET TO A HI-LOK AND OUT OF THE HI-LOK HOLE. AREA IS AT THE RT SIDE OF THE DOOR CUTOUT FOR AFT STAIR HANDLE OPERATING MECHANISIM. CUT OUT DAMAGED SKIN AREA PER SRM 53-30-2 FIG 3. TREATED AREA PER SRM 51-10-2. FABRICATED DOUBLER PER SRM 53-30-2. ALODINED AND PRIMED PER SRM 51-10-2. INSTALLED REPAIR PER SRM 51-30-2. SEALED REPAIR PER SRM 51-20-4.