As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE CHECK CORROSION WAS FOUND OUT OF LIMITS IN THE AFT CARGO COMPARTMENT STA 1090 LBL 12, FLOOR SUPPORT CHANNEL AT FLOORBEAM ATTACH POINT. REMOVED CORROSION IAW B727 511006. REMOVED FLOOR SUPPORT IAW B727 SRM 513002. FABRICATED NEW FLOOR SUPPORT PER SAMPLE FROM BAC 1505100618. TREATED AND PRIMED IAW B27 SRM 511002 AND MM 512002. INSTALLED IAW B727 SRM 513002.