What was found
YVR - MAJOR REPAIR - DURING C-20 CHECK A CRACK WAS FOUND AT FORWARD CABIN LT INBOARD SIDE BS 360-380, STR 17 LT WEB AND STR 17 LT CHORD. MAINTENANCE REMOVED DAMAGED WEB AND OUTER CHORD BETWEEN BS 360 AND BS 380, FABRICATED A NEW WEB AND OUTER CHORD, AND INSTALLED REPAIR PARTS IAW B737-200 SRM 51-40-4, FIG 1, PG 16 AND SRM 51-10-1, PG 8 DWG 65-19603.