As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(E81R) INVESTIGATED PILOT REPORT OF RT ENG ANTI-ICE VALVE FAIL ANNUNCIATOR ILLUMINATED. FOUND NACELLE ANTI-ICE SHUTOFF VALVE ASSY, INOPERATIVE. INSTALLED VALVE WAS INSTALLED NEW 6 WEEKS PREVIOUS. REPLACED SHUTOFF VALVE WITH NEW VALVE, FUNCTIONAL TESTS OK. 4TH RT ENGINE ANTI-ICE SHUTOFF VALVE THAT HAS FAILED ON THIS ACFT IN LAST 12 MONTHS AND 184 HRS. THE AIRFRAME MFR IS AWARE OF FLEET-WIDE ISSUE WITH THIS VALVE FAILURE PROBLEM.