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" CRACK WAS FOUND ON STRUCTURE BELOW FLAP CONTROL CABLE FAIRLEADS AT OUTBOARD SEAT TRACK, BS 560, HFEC CONFIRMED. MAINTENANCE REMOVED CRACKED CHORD AT BS 560; FABRICATED A NEW REPLACEMENT STRUCTURE PER DWG 65C21808; INSTALLED REPAIR PARTS IAW AWA E.R. 15-5362-03119-SS2.