What was found
(CAN) AN ENGINE FIRE WARNING WAS ANNUNCIATED ON THE RT 2 ENGINE, APPROXIMATELY 20 MINUTES AFTER DEPARTURE. THE CREW SECURED THE ENGINE AND DISCHARGED BOTH FIRE BOTTLES, RETURNING TO DEPARTURE. A SINGLE ENGINE LANDING WAS UNEVENTFUL. IT WAS REPORTED THAT A LOUD NOISE WAS HEARD FROM THE ENGINE FOLLOWED IMMEDIATELY BY THE FIRE WARNING. POST FLIGHT INSPECTION FOUND FIRE DAMAGE ON THE ENGINE. THE ACFT HAS BEEN QUARANTINED BY THE NTSB. THE LOCAL ENGINE FIELD SERVICE REP WILL BE ON SITE TO ASSIST. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE.