As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 621, CLT-LAS: AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. FLIGHT RETURNED TO CLT. MAINTENANCE PERFORMED BITE TEST OF PSEU. FOUND SENSOR S10060 FAULTED. REPLACED RIGHT TRUCK TILT SENSOR S10060 AND CONDUIT. EXTENSION AND RETRACTION TEST OK. NO FURTHER FAULTS.