As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COCKPIT FLOOR PANEL 221ALF, AFT SUPPORT ANGLE AT FS 280 CORRODED. REMOVED FLOOR SUPPORT IAW SRM 51-42-06-001-001-A01. LOCATED AND DRILLED HOLES IN NEW AFT FLOOR SUPPORT IAW SRM 51-40-06 AND 51-40-11 & DWG CC670-33292. INSTALLED FLOOR SUPPORT IAW SRM 51-42-06, 51-42-21 & DWG CC670-33292. REPAIR CLASSIFIED AS MAJOR.