What was found
FLIGHT 5356. DURING TAXI OUT OF MHT RECEIVED A RIGHT SPOILERON CAUTION MESSAGE. AIRCRAFT RETURNED TO THE GATE. REPLACED THE NR 1 SPOILER ELECTRONIC CONTROL UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5356. DURING TAXI OUT OF MHT RECEIVED A RIGHT SPOILERON CAUTION MESSAGE. AIRCRAFT RETURNED TO THE GATE. REPLACED THE NR 1 SPOILER ELECTRONIC CONTROL UNIT.