What was found
CLT - FLT 765 - THE NR 2 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED IN FLIGHT ENROUTE TO CLT. CREW SHUT DOWN THE NR 2 ENGINE, ACCOMPLISHED PROCEDURES IN HANDBOOK AND DECLARED AN EMERGENCY. FLIGHT LANDED AT CLT WITHOUT FURTHER INCIDENT. TOTAL SINGLE ENGINE TIME WAS 18 MINUTES. MAINTENANCE INSPECTED THE NR 2 ENGINE MAIN OIL FILTER FOR CONTAMINATION. NONE FOUND. INSTALLED NEW OIL FILTER. ALSO, REMOVED AND REPLACED THE NR 2 ENGINE OIL FILTER BYPASS SWITCH. LEAK CHECK AND OPERATIONAL CHECK GOOD. ALL ENGINE PARAMETERS NORMAL. (M)