What was found
DURING TAXI WHILE STARTING RH ENGINE ,RIGHT STARTER CUTOUT EICAS MESSAGE APPEARED AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC MTX DEFERRED RH START VALVE FOR DEPARTURE IAW MEL ABX-80-00-2-1 AND RETURNED AC TO SERVICE
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI WHILE STARTING RH ENGINE ,RIGHT STARTER CUTOUT EICAS MESSAGE APPEARED AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC MTX DEFERRED RH START VALVE FOR DEPARTURE IAW MEL ABX-80-00-2-1 AND RETURNED AC TO SERVICE