What was found
CTR HYD SYS PRESS EICAS MESSAGE ILLUMINATED. MAINTENANCE SUSPECT AUTO FUNCTION OF ADP DID NOT COME ON. AIRCRAFT BACK TO GATE AND AIRCRAFT GROUNDED UNTIL MAINTENANCE DEFERRAL WAS COMPLETED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CTR HYD SYS PRESS EICAS MESSAGE ILLUMINATED. MAINTENANCE SUSPECT AUTO FUNCTION OF ADP DID NOT COME ON. AIRCRAFT BACK TO GATE AND AIRCRAFT GROUNDED UNTIL MAINTENANCE DEFERRAL WAS COMPLETED.