As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SUCCESSFUL ELECTRICAL AND PMEUMATIC ICE TESTS ON GROUND, RECEIVED "ICE DET 2 FAIL" IN FLIGHT DURING INITIAL CLIMB. C/A-DEFERRED ICE DET 2 PER MEL 30-25 AUTH # 030434-C. NO (M) PROCEDURES TO C/W. FOLLOWED FIM TASK 30-80-00-810-804-A PERFORMED NR 2 ICE DET OPC IAW AMM 30-80-00-700-801-A. OPC GOOD. FOUND TO BE A TRANSITORY CONDITION. NO FURTHER DEFECTS NOTED. MEL RESTORED