As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED DUE TO LOW QUANTITY ON THE LEFT HYDRAULIC SYSTEM FLUID LEVEL. SERVICED RIGHT HYDRAULIC SYSTEM TO FULL AND NO LEAKS FOUND. FOUND CRACK IN NR 1 ENGINE THRUST REVERSER CONTROL MODULE. REPLACED DIRECTIONAL FLOW CONTROL VALVE.