What was found
LEFT ENGINE COWL ANTI ICE LIGHT ILLUMINATED MULTPLE TIMES ON CL IMB. EXTINGUISHED W/LOW THRST REMOVED AND REPLACED #1 ENGINE COWL TAI VALVE REF AMM 30-21-11.OPERATIONAL CHK WILL FOLLOW. PARTS USED: 29-3021-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1765691 SN OFF 0467 VALVE, ANTI-ICE OFF 29-3021-9-0002 0467 ON 29-3021-9-0002 3358 PERFORMED HIGH PWR RUN AFTER ENG 1 TAI INSTALLATION AS PER TASK 30-21-11-400-801. NO FAULT NOTED DURING BLEED SHIFT AND HIGHER PWR SETTINGS.