As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD QTY LOW C EICAS AT 3:45 AFTER TAKEOFF. EICAS WAS REVIEWED AND EVENT RECORD AT 1246Z. THEN RESERVE BRAKES/STRG EICAS OCCURRED. EICAS WAS REVIEWED AND DECISION TO DIVERT TO LFPG. FOUND A RUNNING LEAK COMING FROM THE NUT CONNECTING THE #12 BRAKE HOSE TO THE #12 QUICK DISCONNECT. RETIGHTENING THE NUT IMMEDIATELY STOPPED THE LEAK.