What was found
DURING CLIMB, THE NR 1 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED. THE NR 1 ENGINE WAS SHUTDOWN IAW THE QRH. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED IN HNL WITH NO FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE OIL BYPASS SWITCH AND THE OIL FILTER ELEMENT. THE NR 1 ENGINE OIL TANK WAS DRAINED AND SERVICED. GROUND OPERATIONAL AND LEAK CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)