As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 1214 - EN ROUTE ORD-YYZ - LOST SYSTEM 'A' HYDRAULIC IN FLIGHT. RETURNED ORD, MANUALLY EXTENDED LANDING GEAR, ELECTRICALLY EXTENDED FLAPS AND LANDED WITHOUT INCIDENT. REPLACED OUTBOARD FLAP DRIVE MOTOR PER MM. REFILLED HYDRAULIC SYSTEMS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)