As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC QUANTITY DECREASED TO 47. QUANTITY STABLE WITH PUMPS OFF, LEFT SYSTEM. CONFERENCE WITH CREW FOLLOWING QRH 130.2 FLUID LEAKING FROM ENGINE DRIVEN PUMP CASE DRAIN PRESSURE MODULE. REPLACED O-RINGS ON DIFFERENTAL PRESSURE INDICATOR, LEAK CHECKED GOOD. SERVICED SYSTEM TO FULL REF CMM 29-11-13.