As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATL INFLIGHT - GEAR WOULD NOT RETRACT AFTER TAKEOFF. FOLLOWED PROCEDURE AND RAISED GEAR. ALL SYSTEMS NORMAL AFTER GEAR RETRACTED. LANDED ATL WITHOUT INCIDENT. REPLACED LANDING GEAR CONTROL PANEL. SYSTEM GROUND CHECKED NORMAL OPERATION.