What was found
COMMANDED IFSD UPON RETRACTING THE GEAR AFTER T/O, A LOUD NOISE WAS HEARD FROM THE LT ENGINE AND THE PASSENGERS REPORTED "FLAMES". ALTHOUGH ALL PARAMETERS WERE WITHIN LIMITS, THE ENGINE WAS SHUTDOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE AT THE POINT OF DEPARTURE. POST FLIGHT INSP FOUND THAT THE HIGH PRESSURE ROTOR COULD NOT BE TURNED. THE ENGINE WILL BE REMOVED.