As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS GROUNDED. AFTER GEAR RETRACTION LEFT ENGINE HYDRAULIC LOW PRESSURE LIGHT ILLUMINATED. REMAINED ON.. FOLLOWED QRH PROCEDURES, DECLARED AN EMERGENCY, AND RETURNED TO DFW WITHOUT FURTHER INCIDENT. FOUND PYLON QUICK DISCONNECT FITTINGS FOR PRESSURE FOR ENG DRIVEN HYD PUMP FAILED. REMOVED AND REPLACED PRESSURE ,RETURN AND CASE DRAIN PYLON QUICK DISCONNECT FITTING PER MM 29-11-11,54-51-51 AND 20-50-11 OPS AND LK CKS GOOD.