As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - INFLIGHT JFK-LAX. CREW REPORTED HYDRAULIC QUANTITY LOSS IN LEFT SYSTEM. EMERGENCY DECLARED DIVERTED ORD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND LINE LEAKING FROM LEFT HORIZONTAL STAB TRIM CONTROL MODULE. REPLACED FLEX LINE ON STAB TRIM. SYSTEM GROUND CHECKED NORMAL OPERATION.