As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOWING APPLICATION OF TAKEOFF POWER, RECEIVED HYD Y RSVR LO LVL MESSAGE. ABORTED TAKEOFF AT 60 KNOTS AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE SERVICED THE YELLOW HYDRAULIC SYSTEM BUT NO LEAKS WERE FOUND. OPERATIONAL CHECK OK.