What was found
DURING TAXI FOR TAKEOFF, LT MAIN BUS DISCONNECTED. AIRCRAFT RETURNED TO GATE. AFTER REPEATED ATTEMPTS TO DUPLICATE THE PROBLEM, NO FAULT COULD BE FOUND.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI FOR TAKEOFF, LT MAIN BUS DISCONNECTED. AIRCRAFT RETURNED TO GATE. AFTER REPEATED ATTEMPTS TO DUPLICATE THE PROBLEM, NO FAULT COULD BE FOUND.