As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE FOUND AFTER REMOVAL OF GIRT BAR FLOOR FITTING CORROSION WAS FOUND BENEATH FWD PAX DOOR AFT GIRT BAR FLOOR FITTING ON LOWER BEAM AROUND 1 RIVET AS MARKED. FWD PAX DOOR BEAM CORRODED BEYOND LIMITS; REPLACED IAW SRM 51-43-04. THIS ITEM HAS BEEN CLASSIFIED AS A LEVEL 2 CORROSION.