As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED, LANDING GEAR DID NOT RETRACT ON FIRST ATTEMPT. OPERATED NORMALLY ON SECOND TRY. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED LANDING GEAR CONTROL HANDLE IAW EMB145 MM 32-32-02, OPS CHECK AND LANDING GEAR SWING GOOD. AIRCRAFT RETURNED TO SERVICE.