As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-04 CHECK PITTING CORROSION WAS FOUND ON THE NR 1 PYLON AFT FIXED FAIRING INBOARD SKIN AT LOWER AFT AREA. MAINTENANCE REMOVED NR 1 PYLON AFT FIXED FAIRING INBOARD SKIN; FABRICATED A NEW REPLACEMENT SKIN; INSTALLED REPAIR PART IAW A320 SRM 51-42-11 PG 8-12 & 21-22, FIG 2, 3 & 8.