What was found
FLIGHT BX719 FROM MCO TO TOL. DURING CLIMBOUT, NR 2 BUSS TIE LIGHT ILLUMINATED. 15 SECONDS LATER NR 2 GENERATOR AND FIELD TRIPPED, YAW DAMP LIGHT ILLUMINATED, AND CAPT''S AND F/O LOST ALL INSTRUMENTS. CLOSED BUSS TIE AND CAPT''S INSTRUMENT POWER RETURNED EXCEPT ESSENTIAL INSTRUMENTS. SWITCHED TO NR 1 GENERATOR. CAPT INSTRUMENTS POWER RETURNED. AIRCRAFT RETURNED TO MCO AND LANDED WITHOUT FURTHER INCIDENT. FOUND NR 3 BUSS TIE BREAKER POPPED. RESET BREAKER. ALSO FOUND NR 2 VOLTAGE REGULATOR OUT OF ADJUSTMENT. ADJUSTED VOLTAGE REGULATOR. PERFORMED ENGINE RUN FOR SYSTEMS CHECK IN ACCORDANCE WITH BOEING MAINTENANCE MANUAL 727-20-0. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.