What was found
DURING CRUISE, SELECTED ENGINE ANTI-ICE ON, ENGINE NR 2 ANTI-ICE WOULD NOT OPEN, RECEIVED LEVEL 1 ALERT - ENGINE NR 2 ANTI-ICE DISAGREE. CONTACTED MX VIA ACARDS, MX SUGGESTED A RESET OF C/B ON MX PANEL UPPER MX R-25. PULLED AND RESET C/B, NO CHANGE. FOUND NR 2 COWL ANTI-ICE VALVE STICKING. REPLACED VALVE PER MD-10-30 M/M 30-22-02-2. ALSO REPLACED LOW PRESSURE SWITCH S1-1046 AND HI-PRESSURE SWITCH S1-108 8 AS PRECAUTIONARY. LEAK CHECK AND OP CHECKS GOOD ON GROUND RUN PER JRH.