As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI THE GEAR NOT DOWN WARNING W/ ASSOCIATED LIGHTS ARE ON BEFORE TAKEOFF. A/C RETURNED TO THE GATE AND MTX GROUNDED A/C . MTX ,REMOVED AND REPLACED LANDING GEAR CONFIG. CARD MODULE M983 IAW B767 AMM 31-51-04. OPS CHECK GOOD MSG AND ASSOCIATED LIGHTS AND AURAL WARNINGS EXSTINGUISHED. MTX RETURNED A/C TO SERVICE