As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YVR - MAJOR REPAIR - "C" - DURING C-13 CHECK CORROSION WAS FOUND ON UPPER SURFACE OF FLOOR SUPPORT AT BS 986 TO BS 1006, LBL 38. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS. REMOVED SUPPORT AT BS 986 TO 1006, LBL 38; FABRICATED NEW FLOOR SUPPORT AND INSTALLED REPAIR IAW B737-300 SRM 51-20-01, PG 10, AND DWG 65-46812.