What was found
FLT 6458 - IAD-PIT - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO CAPTS ADI WOULD NOT COME ON LINE. MAINTENANCE INSPECTED AND REMOVED AND REPLACED CAPTAINS ADI, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 6458 - IAD-PIT - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO CAPTS ADI WOULD NOT COME ON LINE. MAINTENANCE INSPECTED AND REMOVED AND REPLACED CAPTAINS ADI, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)