As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YVR - MAJOR REPAIR - DURING C-15 CHECK A 1 INCH CRACK WAS FOUND AT RIVET HOLE ON INTERNAL FUSELAGE CENTER WEB BS 706, BL 0. MAINTENANCE REMOVED CRACKED AREA OF CENTER WEB BS 706, BL 0; FABRICATED A NEW REPLACEMENT SECTION OF WEB AND FILLER PLATES; INSTALLED REPAIR PARTS IAW B737-200 SRM 51-40-2, FIG. 1.