As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER WARNING ON TAKEOFF AS THE F.O. MOVED THE LANDING GEAR HANDLE. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED LANDING GEAR CONTROL PANEL IAW Q400 AMM TASKS 32-31-01-000-801 AND 32-31-01-400-801. FUNCTIONAL TEST GOOD. CONTROL PANEL WAS REPLACED AS PRECAUTIONARY MEASURE. RETURNED TO SERVICE.