As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE FINAL APPROACH OF FLIGHT 5632 ON THE 28 NOVEMBER 2001, THE PILOT OF AIRCRAFT DHC8400 S/N 4027, REPORTED THAT THE ENGINE ADAPTER NR 1 CL CAME ON AND THE C/B POPPED. INVESTIGATION FOUND THE NR 1 HEATER INTAKE ADAPTER IN BURNED CONDITION.