As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI - INFLIGHT T1926 - TUS TO ORD - RED GEAR DOOR LIGHT REMAINED ON WITH GEAR HANDLE UP. CYCLED GEAR AND RED GEAR DOOR LIGHT REMAINED ON. LANDED MCI WITHOUT INCIDENT. REPLACED RIGHT GEAR ACTUATOR. SYSTEM GROUND CHECKED NORMAL OPERATION.