As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C4 CHECK DISCOVERED CORROSION ON Y-1162 BEAM, INBOARD ATTACH COUPLING ON THE FORWARD SIDE OF FS 68. CORROSION WAS FOUND OF OUT OF LIMITS IAW A320 SRM 53-00-14 FIG 102. MAINTENANCE REMOVED AND INSTALLED NEW COUPLING AT Y-1162 BEAM AT FR 68 IAW AIRBUS 320 SRM 51-72-11.