What was found
NR 1 ENGINE SHUTDOWN PRIOR TO TOP OF DESCENT. NO PRIOR THROTTLE MOVEMENT OR CHANGE IN FUEL CONFIGURATION. A/C DESCENDED TO 16,000 FEET WHERE ENGINE WAS RESTARTED, A/C CONTINUED WITHOUT FURTHER INCIDENT. THE FUEL CONTROL UNIT WAS REMOVED AND ROUTED TO HAMILTON STANDARD FOR ANALYSIS, NO MECHANICAL CAUSE FOR SHUTDOWN FOUND. ENGINE REMAINED ON WING WITHOUT FURTHER INCIDENT.