What was found
DURING TAXI OUT L. WING HYD VALVE EICAS APPEARED AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC .MTX PERFORMED FIM 27-23 FT 803. THE SYSTEM IS O.K . AND RETURNED AC TO SERVICE
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI OUT L. WING HYD VALVE EICAS APPEARED AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC .MTX PERFORMED FIM 27-23 FT 803. THE SYSTEM IS O.K . AND RETURNED AC TO SERVICE