What was found
MCN - MAJOR REPAIR - DURING C-04 CHECK CORROSION WAS FOUND ON EXTERNAL SKIN BETWEEN FRAMES 62 AND 63, STR 42-43 LT, UNDER IFPC ANTENNA. MAINTENANCE CUT OUT CORROSION ON EXTERNAL SKIN BETWEEN FRAMES 62 AND 63, STR 42-43 LT, UNDER IFPC ANTENNA; FABRICATED A DOUBLER; INSTALLED REPAIR PART IAW A320 SRM 53-00-11 PG 203, 209-214 FIG 203.