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-20 CHECK A 1/2" CRACK WAS FOUND ON FORWARD UPPER CORNER OF SKIN CUTOUT AT THE L-2 DOOR BS 951. MAINTENANCE REMOVED DAMAGED AREA OF SKIN AND BONDED DOUBLER, FABRICATED A DOUBLER AND FILLER, AND INSTALLED REPAIR PARTS IAW B737-200 SRM 53-30-3, FIG. 21A, PG 78.