As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3626 CREW REPORTED DURING CRUISE THE NUMBER 3 HYDRAULIC SYSTEM DROPPED TO 5 PERCENT QUANTITY AND 0 PSI. CREW DECLARE AN EMERGENCY AND DIVERTING TO OKC DUE TO WEATHER IN DFW. AIRCRAFT REMOVED FROM SERVICE. FOUND NUMBER 3A HYDRAULIC PUMP PRESS LINE CRACKED REPLACED LINE WITH TEMP FLEX LINE AND ISSUED TDMI FOR 450 FLIGHT HOURS. AIRCRAFT RETURNED TO SERVICE.