As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-21 CHECK CORROSION WAS FOUND ON FLOOR SUPPORT AT BS 1003, LBL 38. MAINTENANCE REMOVED FLOOR SUPPORT FROM BS 986.5 TO BS 1006, LBL 38; FABRICATED A NEW REPLACEMENT FLOOR SUPPORT PER DWG 65-46812; INSTALLED REPAIR PART IAW B737-200 SRM 51-30-02 FIG 11 SHEET 02.