As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI, C DEMAND PUMP EICAS MESSAGE. CREW DEFERRED ADP AUTO FUNCTION IAW MEL 29-11-4-1, NO MX PROCEDURES REQ. RETURNED TO THE GATE (BTB). MTC RECLASSIFIED TO NEW MEL 29-11-3. PLACARDS INSTALLED. DEACTIVATION PROCEDURES APPLIED. A/C REMAINS NO ETOPS. A/C RETURNED TO SERVICE.