What was found
DURING TAKE OFF ROLL AT ABOUT 80 KNOTS, IN ICE CONDITIONS, THE ANTI-ICE INOPERATIVE WARNING MESSAGE DISPLAYED. TROUBLESHOT IAW FIM 30-80-00-810-801-A, AND PERFORMED AN OPS TEST IAW 30-00-00-700-803A, ANTI-ICE VALVE TESTED. NO DEFECTS OR MESSAGES. OK FOR SERVICE.