What was found
WING ANTI-ICE FAIL IN FLIGHT,CREW RAN QRH,MSG PERSISTED. DOWNLOADED CMC WITH MFD AND FOUND WING A/ICE LEAK MSG, REMOVED PANEL 191 FR AND FOUND Y DUCT BETWEEN PACK VALVE AND DUAL TEMP CONTROL VLV, P/N 145-2-27547-409 BROKEN, R & R TUBE ASSY AS REQUIRED,OPS CHECK GOOD IAW EMB 145 AMM 30-00-00, REINSTALLED PANEL,OK FOR SERVICE