As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE INSPECTION CORROSION WAS FOUND OUT OF LIMITS ON THE UNDERSIDE OF THE FLOOR SUPPORT BEAM AT FS 1166 RBL 5. REMOVED CORROSION IAW B727 SRM 511006. REMOVED FLOOR BEAM SUPPORT IAW B727 SRM 513002. FABRICATED NEW SUPPORT FROOM BAC 15064417 7075 T6 .063. TREATED AND PRIMED IAW B727 SRM 511002 AND MM 512002. INSTALLED IAW B727 SRM 513002.