As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDED UNDER AMBER ALERT DUE TO CENTER HYDRAULIC SYSTEM INDICATION. CONDUCTED TROUBLESHOOTING. FOUND NR 3 SPOILER ACTUATOR PLUG FOR FINGER FILTER O'RING BAD. REPLACE O'RING. OPERATES NORMALLY WITH NO LEAKS NOTED. SERVICED CENTER HYD SYSTEM FLUID TO FULL. A/C OK FOR RETURN TO SERVICE