As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L HYD QTY LOW EICAS MSG,FLIGHT CREW DECLARED AN EMERGENCY AND EXECUTED AN AIR TURN BACK AND LANDED UNEVENTFULLY. MAINTENANCE DETERMINED #1 SPOILER WAS LEAKING HYDRAULIC FLUID AND AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED #1 SPOILER PCA OPS CHECK/RIG CHECK GOOD. NO FAULTS NOTED AT THIS TIME. IAW B767 AMM 27-61-02. AIRCRAFT RELEASED FOR SERVICE