As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
19.07.2021 17:46 CREW REPORTED VIA ACARS LEFT ENGINE HYDRAULIC LOW PRESSURE. CAPTAIN REPORTED THAT DURING CRUISE, THE EICAS MESSAGE LEFT ENGINE HYDRAULIC LOW PRESSURE LIGHT TURNED ON. MAINTENANCE PERSONNEL PERFORMED REVISION AT LEFT ENGINE, DETECTING HYDRAULIC LEAK AT LEFT ENGINE DRIVEN PUMP; THE LEFT EDP PUMP WAS REPLACED IAW AMM TASK 29-11-11-000-400/801-001, TESTED CORRECT