As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HEAVY CHECK FOUND PAX CABIN FWD WET AREA FLOOR STRUCTURE CROSSBEAM UPPER FLANGE FR 14 RBL 32 FOUND CORRODED. AAR MX REMOVED AND REPAIRED FWD WET AREA FLOOR STRUCTURE CROSSBEAM PN 170-21766-413 UPPER FLANGE FR 14 RBL 32 IAW SRM 53-00-10 REPAIR 03 FIG 203 REV 45. SEE AAR NRC# -0080 FOR WORK PERFORMED. AC REMAINS IN YRQ FOR COMPLETION.