What was found
WHILE ON SHORT FINAL (APPROX .2500 MILE), PILOT REPORTED THE RT ENGINE SHUTDOWN. AS HE WAS ON SHORT FINAL HE DID NOT NOTICE IF THERE WAS A CORRESPONDING INITIATION OF THE NTS SYSTEM OR IF THE ENGINE/PROP BEGAN TO FEATHER. WHEN THE PROBLEM WAS NOTICED THE PILOT ATTEMPTED TO ADVANCE POWER ON THE NR 1 ENGINE WITH NO EFFECT. LT ENGINE HAD ALSO SHUTDOWN. BOTH ENGINES/PROPS WERE PULLED BACK INTO FEATHER AND THE AIRCRAFT LANDED. AFTER DEBRIEFING THE CAPTAIN MOTORED THE ENGINES, RESTARTED THEM, TAXIED THE AIRCRAFT, ADVANCED POWER TO 100 PERCENT TO ACTIVATE THE EPA KITS, AND SHUT THE AIRCRAFT DOWN. FUEL TANKS WERE SUMPED WITH NO NOTICEABLE CONTAMINATION OR WATER. FUEL FILTERS WERE REMOVED AND INSPECTED. NO NOTIC