What was found
C/B ENGINE NR 1 ENGINE & WING CONTROL POPPED. GROUNDED - YES. REF FIM 30-11 TASK, GROUND WING THERMAL ANTI-ICE VALVE FOR NR 1 ENGINE REPLACED ON 1/25/2017, REF LOG PAGE 11626191. CHECKED WIRING BETWEEN GROUND WING TAI TEMPERATURE SOLENOID VALVE M1236 AND FIREWALL DISCONNECT, CHECKED GOOD. REF WDM 30-21-11, WDM 30-11-11, CHECKED WIRES BETWEEN DP1303 TO DP1326, NO DEFECTS FOUND. CHECKED WIRE BETWEEN P5-11 D462 PIN 12 TO PIN 4 DP1303, CHECKS GOOD. PERFORMED GVI OF P18-3 AT C/B C148, NO DEFECTS FOUND. REMOVED AND REPLACED ENGINE COWL TAI VALVE, REF AMM 30-21-11. OPS CHECK GOOD.