As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK AT TIMCO/OSC, THE FOLLOWING DISCREPANCY WAS FOUND AT STATION 1110, THE FLOORBEAM HAS AREAS OF CORROSION AT SCREW HOLES AT LBL 11, LBL 17 AND LBL 20. REPAIRED FLOORBEAM IAW SRM 53-10-0, FIGURE 3. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)