What was found
DFW - FLT 78 - AFTER TAKEOFF, HYDRAULIC QUANTITY EICAS MESSAGE ILLUMINATED AND QUANTITY INDICATION SHOWED OO RF. RETURNED AND LANDED DFW WITHOUT INCIDENT. REPLACED HYDRAULIC MONITOR UNIT. SYSTEM GROUND CHECK NORMAL OPERATION. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - FLT 78 - AFTER TAKEOFF, HYDRAULIC QUANTITY EICAS MESSAGE ILLUMINATED AND QUANTITY INDICATION SHOWED OO RF. RETURNED AND LANDED DFW WITHOUT INCIDENT. REPLACED HYDRAULIC MONITOR UNIT. SYSTEM GROUND CHECK NORMAL OPERATION. (M)