As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THIS DE-ICE TIMER WAS RECEIVED WITH AN "INSPECTED" TAG. AFTER INSTALLATION, THE SYSTEM FAILED AFTER 7.7HRS. INVESTIGATION REVEALED THAT THE TIMER WOULD "CHATTER" AND THE BOOT INFLATION SEQUENCE WOULD BECOME ERRATIC. THE TIMER WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.