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-14 CHECK EXFOLIATION CORROSION WAS FOUND ON THE LOWER CHORD OF THE APU INLET TORQUE BOX CUTOUT AT SURFACE WHERE SHROUD SEAL MAKES CONTACT BS 1088+30. MAINTENANCE REMOVED AND REPLACED APU TORQUE BOX LOWER CHORD ANGLE AT BS 1088+30 IAW B737-200 SRM 51-10-1 PG 8, AND DWG 65-46579.