As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C CHECK INSPECTION, FOUND LEFT ANGLE FOR COCKPIT FLOOR PANEL 221ALF IS CRACKED AT THE AFT CORNER LBL9.00 AND FS 280.00. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LEFT FLOOR ANGLE FOR COCKPIT FLOOR PANEL 221ALF IAW SRM 51-42-06 AND EO NR CR-53MR-289. THE AIRCRAFT WAS RETURNED TO SERVICE.