What was found
ANTI-ICE WING LEAK 2, MSG CAME ON WITH NO INDICATION OF ICE CONDITION, BUT IN CLOUDS CLIMBING THROUGH 240FL AT 290 KIAS AT 4 C SAT. PERFORMED NON-NORMAL CHECKLIST & MSG CLEARED, THEN REAPPEARED REPEATEDLY DESPITE COMPLETING ALL ABNORMAL CHECKLIST. HAD EICAS MSG ANTI-ICE WING 2 LEAK PRESENTED AT FL310 & IN ICING CONDITIONS. DID ABNORMAL PROCEDURE & MSG CLEARED, THEN PRESENTED ITSELF DURING DESCENT TO CLEAR ACFT OF ICING CONDITIONS. SEVERAL TIMES CLEARING, THEN RE-PRESENTING THE SAME ANTI-ICING WING 2 LEAK MSG. R & R CERAMIC INSERT IAW AMM 36-20-01, R & R AMS CONTROLLER 2 IAW AMM 21-00-01 & RESET NVM IAW 45-45-00. PERFORMED MULTIPLE WING ANTI-ICE TEST IAW AMM 30-11-00. OPERATIONS CHECKED GOOD AT THIS TIME.