As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, RECEIVED "L ENG HYD OVHT" AND PUMP WAS SHUT DOWN. LT HYDRAULIC SYSTEM WAS LOSING FLUID. ON APPROACH, LOST HYDRAULIC PRESSURE AND DECLARED AN EMERGENCY, LANDING WAS UNEVENTFUL. FOUND LT ENGINE DRIVEN HYDRAULIC PUMP LEAKING. REPLACED LEFT ENGINE HYDRAULIC PUMP. OPERATIONAL CHECK GOOD.