What was found
(CAN) DURING FLIGHT, THE ENGINE LOST POWER AND THE PILOT HAD TO USE THE EMERGENCY POWER LEVER IN ORDER TO RECOVER POWER. THE ACFT LANDED SAFELY AND TROUBLESHOOTING FOUND THE P3 AIR HEAT INOPERATIVE WHICH LEAD THE CUSTOMER TO BELIEVE THE P3 TUBE MAY HAVE BLOCKED, CAUSING THE POWER LOSS. THE PROBLEM WAS RECTIFIED AND THE ACFT RETURNED TO SERVICE.