As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THIRTY (30) MINUTES AFTER TAKEOFF, WARNING LIGHT ILLUMINATED, INDICATING A LOW LEVEL OF HYDRAULIC FLUID IN THE TANK; OIL PRESSURE READING FELL TO 0. THE EDP PUMPS (RIGHT AND LEFT) WARNING LIGHTS FOR LOW OIL PRESSURE ILLUMINATED AFTER LANDING (AC PERFORMED EMERGENCY LANDING) DEFECT WAS DUE TO PRESSURE SWITCH SEAL DETERIORATION.