What was found
DURING TAXI LOWER EICAS UBIT WAS INOPERATIVE. A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C . MTX DEFERRED EICAS FOR DEPARTURE AIAW MEL ABX 31-41-1-1. AND RETURNED A/C TO SERVICE .
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI LOWER EICAS UBIT WAS INOPERATIVE. A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C . MTX DEFERRED EICAS FOR DEPARTURE AIAW MEL ABX 31-41-1-1. AND RETURNED A/C TO SERVICE .