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 AT BS 420 0 BL FLOORBEAM TEE CAP. REMOVED CORROSION IAW B277 SRM 511006. CUT OUT DAMAGED SECTION IAW B727 SRM 531008. FABRICATED REPAIRS IAW B727 SRM 531008. INSTALLED IAW B727 SRM 513002.