As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, RECEIVED HYD Y RSVR LO LVL MESSAGE. FOLLOWED ECAM AND COM PROCEDURES. CONTINUED TO FINAL DESTINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE SECURED A LOOSE B-NUT AT THE YELLOW SYSTEM BRAKE ACCUMULATOR. SERVICED SYSTEM WITH NO OTHER LEAKS NOTED.