As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLT RETURN RT ENG FAILURE DURING CLIMB-OUT NORMAL PWR T/O WITH ENG A/I ON. ALL INDICATIONS NORMAL. AT 1300' AGL BUMP NOISE LIKE A COMP STALL. PERFORM INITIAL ACTION ITEMS AND STARTED RETURN TO AIRPORT. PLANNED TO RUN ENG AT IDLE BUT APPROX 2-3 MIN ENG STARTED TO VIBRATE. CONT ENG FAILURE CKLIST AND SECURED RT ENG NORMAL LANDING. REMOVED AND REPLACED RT ENG PER TRANSMITTAL 9T102.