What was found
MCN - MAJOR REPAIR - "C" - DURING C-10 CHECK A 1/8" CRACK WAS FOUND AT THE R1 DOOR EXTERNAL SKIN UPPER HINGE CUTOUT LOWER CORNER BS 307.25. MAINTENANCE CUTOUT DAMAGED AREA OF SKIN, FABRICATED A REPAIR DOUBLER AND HINGE COVER, AND INSTALLED REPAIR PARTS IAW AWA EO 52-00-02, REV C.