What was found
DURING C-04 CHECK, GALVANIC CORROSION WAS FOUND ON FITTING AT FORWARD FACE OF FS 20, ABOVE R-1 DOOR LOWER AFT GIRT FITTING Y1730 RT. MAINTENANCE REMOVED CORRODED FITTING AT FS 20, Y1730 RT; FABRICATED A NEW REPLACEMENT FITTING; INSTALLED REPAIR PART IAW A320 SRM 51-72-11.