As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6562 - IAD-GSO - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO VIBRATION FROM NOSE AREA, CREW SUSPECTED FLAT TIRE. MAINTENANCE INSPECTED AND FOUND TIRE PRESSURE LOW AND SERVICED TIRES, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)