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 992, LBL 24. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS. REMOVED SUPPORT AT BS 992, LBL 24; FABRICATED NEW ATTACH ANGLE AND INSTALLED REPAIR IAW B737-300 SRM 51-40-2.