As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE FLOOR SUPPORT STRUCTURE HAS MULTIPLE AREAS OF CORROSION FS 559+80 TO FS 621, LBL42.90. (C-CHECK) RO 2/21/2021. REPAIRED LEFT SIDE FLOOR STRUCTURE AT FS 559+80 TO FS 621 LBL 42.90 IAW REO 601R-53-61-690 REV D DATED 29 SEP 05. REFERENCE CONTINUATION CARD FOR WORK PERFORMED. WEIGHT AND BALANCE NOT AFFECTED. FORM M-337 AND M-131 COMPLETED.