As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD INFLIGHT T96102AUG. CREW REPORTED DURING LANDING GEAR RETRACTION NR 2 CENTER ELECTRIC HYDRAULIC PUMP PRESSURE LIGHT ILLUMINATED. LANDING GEAR WAS SLOW TO RETRACT FOLLOWED BY LT MAIN GEAR DOORS DOWN INDICATION AND GEAR DISAGREE INDICATIONS. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED HYDRAULIC QUANTITY TRANSMITTER AND MONITOR UNIT. SYSTEM GROUND CHECKED NORMAL OPS. (CLOSED)