As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEPARTED LAS VEGAS EN ROUTE TO OAK - FLT 7709 - SHORTLY, AFTER TAKEOFF, THE NR 1 INVERTER FAILED. THE FLIGHT CREW DECLARED AN INFLIGHT EMERGENCY AND RETURNED TO LAS. MAINTENANCE WAS DISPATCHED AND REPLACED THE NR 1 INVERTER. THE AIRCRAFT WAS RETURNED TO SERVICE AND DEPARTED LAS AT APPROX 0525Z. (M)