As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE VISIT (HMV), THE CABIN FLOOR SUPPORT AT BS 360-380, RBL 12 (NEAR STRINGER 17R) WAS FOUND TO HAVE LEVEL 1 CORROSION. REMOVED CORRODED FLOOR SUPPORT, FABRICATED AND INSTALLED NEW FLOOR SUPPORT IAW B727 SRM 53-10-08.