As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI, FLIGHT CREW WAS UNABLE TO PARALLEL BUS AFTER NR 2 ENGINE STA RT. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL DEPOWERED AIRCRAFT AND PERFORMED MANUAL REST PER MM. BUS TIE PARALLEL NORMALL Y. FOUND NO FAULT. AIRCRAFT RETURN TO SERVICE. (M)