As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INITIAL CLIMB-OUT, FLIGHT CREW NOTED NR 3 HYDRAULIC SYSTEM FLUID QTY LOSS. FLIGHT CREW ELECTED TO RETURN TO GATE. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL FOUND STAB TRIM MOTOR HOUSING CRACKED. REPLACED TRIM MOTOR. GROUND TEST PERFORMED WITH NO FAULT NOTED. AIRCRAFT RETURNED TO SERVICE. (M)