What was found
LAS - FLT 778 - AIR TURN BACK. FLIGHT CREW REPORTED B-SYSTEM HYDRAULIC FAILURE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LEAKING HYDRAULIC LINE TO THE RUDDER PCU. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LAS - FLT 778 - AIR TURN BACK. FLIGHT CREW REPORTED B-SYSTEM HYDRAULIC FAILURE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LEAKING HYDRAULIC LINE TO THE RUDDER PCU. (X)