What was found
L ENG A/ICE FAIL ON CYAN EICAS ILLUMINATED DURING DEPARTURE. QRH PROCEDURE ACCOMPLISHED. NO AMBER T2 INDICATION. A/ICE SYNOPTIC L ENG A/ICE VALVE STUCK IN THE ON POSITION. REPEAT WRITE UP. CORRECTIVE ACTION: REMOVED SUSPECTED FAULTY THERMAL ANTI ICE VALVE AND REPLACED WITH NEW CUSTOMER SUPPLIED THERMAL ANTI ICE VALVE IN REF TO CL-350 AMM 30-21-01. OPS CHECKS GOOD WITH NO DEFECTS NOTED. THERMAL ANTI ICE VALVE PN ON/OFF - WBG3020G103-003 SN OFF - 0425 SN ON - 1942. TORQUE WRENCH USED TL- 105318, CAL DUE -5/19/26