What was found
ORD INFLIGHT T1718 - COULD NOT RETRACT THE LANDING GEAR AFTER TAKEOFF. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED NOSE GEAR STRUT LOWER PISTON AND SERVICED STRUT. SYSTEM GROUND CHECKED NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD INFLIGHT T1718 - COULD NOT RETRACT THE LANDING GEAR AFTER TAKEOFF. RETURNED TO ORD AND LANDED WITHOUT INCIDENT. REPLACED NOSE GEAR STRUT LOWER PISTON AND SERVICED STRUT. SYSTEM GROUND CHECKED NORMAL OPERATION.