What was found
(CAN) ON CLIMB OUT FROM YXD, THE PILOTS NOTICED FLAMES FROM INSIDE THE ENGINE COWL ACCESS DOOR ON RT ENGINE. FOLLOWING FLIGHT MANUAL PROCEDURES, THEY THEN SHUT DOWN THE ENGINE AND FEATHERED THE PROPELLER. THEY THEN MADE AN UNSCHEDULED LANDING IN YEG WHERE MAINTENANCE HAD A LOOK AT THE ENGINE. THE BURNT REMAINS OF, WHAT IS THOUGHT TO BE, A SHOP RAG WAS FOUND IN THE AFT OF THE ENGINE COWL. THE REMAINS WERE REMOVED, THE ENGINE INSPECTED FOR FIRE DAMAGE, AND THE AIRCRAFT RETURNED TO SERVICE.THERE WAS NO FIRE DAMAGE NOTED AT TIME OF INSPECTION.