What was found
ENG ANTI-ICE COWL VALVE LIGHT IS ON AT MORE THAN 28000 FEET ENG 2 COWL VALVE LIGHT REMAINS ILLUMINATED WHEN SWITCHED TO ON AT FL300 T/S PER FIM 30-21 TASK 810 FOUND #2 ENG ANTI ICE VALVE FAILED, REMOVED AND REPLACE VALVE REF AMM 30-21-11-000-801 AND 30-21-11-400-801 UPTO AND INCLUDING STEP H.(6)(C). REQUIRES INSTALLATION TEST PER STEP I. PARTS USED: 42-3021-9-0001,QTY VALVE, ANTI-ICE OFF 42-3021-9-0001 0474 ON 42-3021-9-0001 0424 VALVE, ANTI-ICE OFF 42-3021-9-0001 0474 ON 0000 :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1040632 SN OFF 0474 PERFORMED #2 ENG COWL ANTI ICE VALVE INSTALLATION TEST PER AMM 30-21-11-400-801 STEP I, OPS AND LEAK CHECKS GOOD. #2 ENG COWL VALVE LIGHT WORKS NORMAL.