As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT 1791 - AFTER TAKEOFF MIA DURING CLIMB-OUT, LOST SYSTEM A HYDRAULIC SYSTEM. MANUALLY LOWERED LANDING GEAR AND AIRCRAFT RETURNED TO MIA, LANDING WITHOUT INCIDENT. REPLACED FLAP HYDRAULIC MOTOR. PRECAUTIONARY REPLACED BOTH ENGINE DRIVE HYDRAULIC PUMPS. ACCOMPLISHED GROUND ENGINE RUN AND SYSTEM LEAK AND GROUND CHECKED NORMAL OPERATION. (M)