As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5808 - THE FLIGHT CREW DECLARED AN EMERGENCY DUE TO A "L HYD QTY" EICAS MESSAGE AND A "RSVR" WARNING LIGHT. HYDRAULIC QUANTITY WAS SHOWING "ZERO" AS IN A TOTAL LOSS OF L HYDRAULIC SYSTEM AND RESERVOIR. CORRECTIVE ACTION: MAINTENANCE REPLACED THE LEFT MAIN GEAR DOWN LOCK ACTUATOR.