As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-18 CHECK EXFOLIATION CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF FLOOR SUPPORT UPPER TEE BETWEEN BS 1006-1016, RBL 8, WL 208. MAINTENANCE REMOVED CORRODED FLOOR SUPPORT FROM BS 1006 TO BS 1016, RBL 8; FABRICATED A NEW REPLACEMENT FLOOR SUPPORT PER DWG 65-46812-188; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIG 8 & 12 PG 1, 38 & 45. CORROSION LEVEL DETERMINATION CHANGED FROM LEVEL II TO LEVEL 1 DUE TO AREA WAS PREVIOUSLY REWORKED.