As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR PANEL 37 HAS CORROSION ON TOP OF PANEL. REMOVED CORR. 6X1 INCH IAW DC-9 SRM 53-01 FIG 1 AND CARD 5100-01570-01. ORIG MATERIAL .020 REMOVED .013 REMAINING MAT.007 OUT OF LIMITS. FABBED NEW PNL FROM .025 7075-T6 IAW DWG9957918 AND ERA 490827-14. COPY ATTACHED REV ORIGINAL ID TAG APPLIED 29 MAR 11 REQUIRED INSPECTION COMPLETED 29 MAR 11.