As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 974 EMERGENCY LANDING. ACFT LOST GREEN HYDRAULICS ON CLIMB. CREW DECLARED AN EMERGENCY AND RETURNED TO CLT. ACFT LANDED WITHOUT INCIDENT AND WAS TOWED TO GATE DUE TO LOSS OF NOSEWHEEL STEERING. MX R&R THE DAMAGED CASE DRAIN LINE AND INSPECTED CASE DRAIN FILTER. NO PARTICLES IN FILTER AND PUMP. OPS CHECK WAS GOOD. DAMAGE TO THE LINE WAS INCURRED DURING RECENT ENGINE CHANGE.