What was found
DURING C16 CHECK DISCOVERED CRACK, 1.1 INCHES LONG, LOCATED ON ATTACH ANGLE ON BOTTOM OF LT WING, FORWARD SPAR, TERMINAL FITTING. MAINTENANCE STOP DRILLED CRACKS AND FABRICATED REPAIR DOUBLER IAW AMERICA WEST AIRLINES ENGINEERING REPAIR NR 03-5712-05196-DF1. INSTALLED FABRICATED REPAIR PARTS ON ATTACH ANGLE AT THE BOTTOM OF LT WING, FORWARD SPAR IAW AWA ER 03-5712-05196-DF1.