What was found
MCN - MAJOR REPAIR - "C" - DURING C-15 CHECK THE UPPER AFT CORNER OF THE FORWARD GALLEY SERVICE DOOR WAS FOUND TO HAVE SKIN BENT OUTWARD. MAINTENANCE REMOVED DAMAGED SKIN AND FABRICATED REPAIR DOUBLER AND FILLER AND INSTALLED REPAIRS IAW B737-300 SRM 52-00-01, PG 203-204, AND 51-20-01, PG 1.