As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 HYDRAULIC SYSTEM FLUID LOSS TO 1.6 GALLONS. DECLARED EMERGENCY TO PROVIDE TIME FOR ABNORMAL PROCEDURES. EMERGENCY TERMINATED AFTER LANDING ALL SYSTEMS FUNCTIONED NORMAL. FOUND RIGHT WING POSITIONING ACTUATOR LEAKING. REPLACED PER BOEING M/M 32-11-20.