What was found
YVR - MAJOR REPAIR - DURING C-16 CHECK CRACKS WERE FOUND ON 3 EACH INTERCOASTAL TO SKIN ATTACH ANGLES AT BS 294.5, BELOW STR 12 R/H, AND BELOW & ABOVE STR 11. MAINTENANCE REMOVED, FABRICATED, AND INSTALLED 3 EACH INTERCOASTAL TO SKIN ATTACH ANGLES AT BS 294.5 IAW B737-300 SRM 51-10-2, PG. 12, AND SRM 51-40-2, PG. 3.