As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN STA 200 RBL 47 TO 57 FLOOR SUPPORT HAS CORROSION. REMOVED FLOOR SUPPORT IAW DC-9 SRM 51-30-5. REMOVED CORROSION IAW DC-9 SRM 51-10-3. ORIG MAT .060 MAT REMOVED .050 MAT REMAIN.010. FOUND TO BE OUT OF LIMITS L=8.00 W: 1.75D= .050 IAW DC-9 SRM 53-01 FIG 1. FABBED NEW FLOOR SUPPORT S2652479 7075-T6. INSTALLED NEW SUPPORT IAW DC-9 SRM 51-30-5.