As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHDULED MAINTENANCE VISIT, LEVEL 2 CORROSION WAS DISCOVERED ON AN AFT RIGHT CABIN FLOOR SUPPORT LOCATED AT FS 957. TIMCO REMOVED THE CORRODED SECTION OF FLOOR SUPPORT, FABRICATED AND INSTALLED REPLACEMENT FLOOR SUPPORT AND FILLER MADE FROM 7075-T6 .100 MATERIAL. WORK DONE IAW BOEING 737 SRM 51-30-2, AND 51-10-2. (M)