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 .5 INCH CRACK WAS FOUND ON LT KEEL BEAM BETWEEN BS 727 & BS 727A UNDER A PREVIOUS REPAIR. MAINTENANCE TRIMMED OUT DAMAGED AREA OF KEEL BEAM AT BS 727 & BS 727A AND PERFORMED A HFEC INSPECTION TO VERIFY NO CRACKS EXIST. FABRICATED A STRAP, SHEAR TIE, ANGLE, AND 6 FILLERS, AND INSTALLED REPAIR PARTS IAW B737-200 SRM 53-10-6 FIG 2 - 3, PG 6-27 AND AWA ER 15-5369-02236-GF1.