What was found
(CAN) ENG ADPT HEAT 2 CL ON.HEATER CB POPS. (ENGINE INTAKE ADAPTER HEATER ASSEMBLIES) (RESOLVED ON W/O: 402704 TASKCARD: NR-00001) FOUND THE NR 2 ENGINE AIR INTAKE ADAPTER HEATER ELEMENT HAD SHORTED OUT.INSULATION FOAM MATERIAL FROM ADAPTER HEATER BLOWN OUT IN AREA OF SHORT DEPOSITING DEBRI ALL OVER ENGINE COMP.ENGINE/LOWER COWL AREAS CLEANED AND INSPECTED FOR DAMAGE-NONE NOTED.ADAPTER CONNECTOR/WIRING INSPECTED-NO DAMAGE NOTED.ALL DEBRI WAS CONTAINED ABOVE LIP INTAKE SEAL IN ENGINE COMPARTMENT. REPLACEMENT/TEST OF #2 ENGINE AIR INTAKE ADAPTER HEATER IS REQUIRED. NR 2 ENGINE INTAKE ADAPTER HEATER REMOVED IAW DHC8-400 AMM TASK 30-21-15-400-801. NEW HEATER INSTALLED OPERATIONAL CHECK COMPLETED IAW AMM 30-21-00-710-801. NO FAULTS FOUND.