As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED. L HYD SYS PRESS. BOTH L ENG DRIVEN & L ELECTRIC DRIVEN HYD PUMPS DEACTIVATED WITHIN 90 SECS OF EICAS MSGS R&R L ENG HYD SUPPLY HOSE TO EDP IN REF TO AMM 29-11-05. PERFORMED L ENG RUN IN REF TO AMM 71-00-00. OPS CK AND LEAK CK GOOD.