As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF LANDING GEAR DID NOT RETRACT IN THE WHEEL WELL, GEAR LIGHTS 3 GREEN 3 RED. FOUND M1112 CIRCUIT CARD DISCOLORED (BURNT). REMOVED AND REPLACED M1112 CIRCUIT CARD REF AMM 32-09-20. PERFORMED GEAR SWING NO ANOMALIES NOTED. REMOVED AND REPLACED M983 AND M986 AS PRECAUTIONARY.