As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SUPPORT STRUCTURE HAS 9 AREAS OF CORROSION AROUND NUT PLATE HOLES FROM FS 621 TO FS 559+112. ON LBL 27. REMOVED CORROSION, AND FOUND CORROSION EXCEEDS ALLOWABLE LIMITS IAW SRM 53-61-43. REMOVED DAMAGED SUPPORT AND DRILLED NEW FLOOR SUPPORT IAW SRM 51-40-11. INSTALLED NEW FLOOR SUPORT IAW 601R-53-61-3778.