As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 0769 - ON FINAL APPROACH AT PHX EN ROUTE FROM PVR THE NR 1 GENERATOR TRIPPED OFF AND THE FLIGHT CREW NOTICED AN ELECTRICAL BURNING SMELL. DECLARED EMERGENCY AND LANDED WITHOUT FURTHER EVENT. MAINTENANCE FOUND THE NR 1 GENREATOR CONTROL UNIT (GCU) INOPERATIVE. REPLACED THE NR 1 GCU IAW BMM 24-21-81-401, OPERATIONAL CHECK OF UNIT WAS GOOD PER BMM 24-21-81-501.