As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - INFLIGHT SFO-ORD. CREW REPORTED DURING LEFT AND RIGHT HYDRAULIC QUANTITY LOSS INDICATION. EMERGENCY DECLARED FLIGHT DIVERTED DEN LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED THE HYDRAULIC TRANSMITTER. SYSTEM GROUND CHECK NORMAL OPERATION.