As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM IAH, THE NUMBER THREE HYDRAULIC QUANTITY WAS LOST. THE CREW RETURNED TO POINT OF ORIGIN. THE HYDRAULIC FLUID WAS FOUND TO BE LEAKING FROM THE NUMBER TWO HYDRAULIC BAY. A HAIRLINE CRACK WAS FOUND ON THE RIGHT HORIZONTAL STABILIZER TRIM MOTOR. REMOVED AND REPLACED THE STABILIZER TRIM MOTOR. OPERATIONAL AND LEAK CHECKS GOOD.