As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB IN MODERATE ICING CONDITIONS, THE LEFT AND RIGHT MIDDLE WING DEICE BOOTS FAILED REPEATEDLY ON BOTH TIMERS. RETURNED TO FAT. REPLACED EJECTOR VALVE FOR LEFT AND RIGHT MIDDLE DEICE BOOTS WITH SERVICEABLE UNITS IAW MM 30-10-04. OPS CHECK GOOD.