What was found
EN ROUTE FROM LRD TO BRO, DURING DESCENT LOST OF ALL GENERATOR ELECTRICAL POWER WAS EXPERIENCED. THE FLT CREW FOLLOWED COMPANY PROCEDURES AND ALL ELECTRICAL POWER WAS RESTORED. ALL GENERATOR OPERATING PARAMETERS WERE NORMAL. SEVERAL MINUTES LATER ELECTRICAL POWER LOSS WAS EXPERIENCED AGAIN. THE FLT CREW ONCE AGAIN FOLLOWED COMPANY PROCEDURES, LEAVING THE GENERATORS BUS TIE RELAYS IN AN ISOLATED CONDITION. THE FLT CONTINUED TO BRO FOR AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED THE AIRCRAFT GENERATORS AND SYSTEM COMPONENTS WHICH REVEALED A DEFECTIVE BUS TIE PROTECTION PANEL. MAINTENANCE REPLACED THE PANEL, PERFORMED A SUCCESSFUL OPERATIONAL CHECK IN ACCORDANCE WITH THE COMPANY JET RUN HANDBOOK.