As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROX 20 MINUTES AFTER DEPARTURE CREW INDICATED LOST LEFT HYDRAULIC SYSTEM AND WERE RETURNING BACK TO PTY. DECLARED AN EMERGENCY. INSPECTED AND FOUND TUBE PRESS ASSY BROKEN. REMOVED AND REPLACED TUBE PRESS ASSY AND ELBOW MOTORIZED ENGINE. NO LEAK NOTED. A/C BACK TO SERVICE. ALL THIS REMOVED ACCORDING TO MM 29-10-09-04.