As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4820, CREW REPORTED UPON GEAR RETRACTION GOT 'LANDING GEAR HANDLE DISAGREE WITH GEAR DOWN AND UNSAFE INDICATION. CYCLED GEAR AND GEAR CAME UP. AIRCRAFT REMOVED FROM SERVICE. AFTER TROUBLESHOOTING DETERMINE LANDING GEAR HANDLE FOUND TO BE DEFECTIVE. REMOVED AND REPLACED LANDING GEAR CONTROL LEVER IAW AMM 32-32-02. PERFORMED SEVERAL OPERATIONAL SYSTEM CHECK IAW EMB AMM 32-30-00. OPERATIONAL CHECK GOOD, NO FURTHER DEFECTS NOTED AND NR 8194; AIRCRAFT RETURNED TO SERVICE.