As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 921 - GUM - AIR RETURN DUE TO SYSTEM 'A' HYDRAULIC LEAK. MAINTENANCE FOUND FLAP HYDRAULIC MOTOR FAILED. REMOVED AND REPLACED FLAP ACTUATOR HYDRAULIC MOTOR IAW MM 27-51-62. INSPECTED CASE DRAIN FILTERS ALL CHECKED GOOD. AIRCRAFT RELEASED FOR SERVICE. (M)