As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LT ENGINE STARTING CAPTAIN REPORTED LT HYDRAULIC SYSTEM LEAKAGE AND PRESSURE DROP TO ZERO. DURING REVISION THE TECHNICAL PERSONNEL DETECTED THAT THE LEAK WAS FROM A LINE OF THE MAIN FILTERS MODULE. LINE WAS TIGHTENED AND HYDRAULIC FLUID RECHARGED. TESTS WERE PERFORMED IAW MM 78-31-04, ALL CORRECT.