As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DOOR OPEN LIGHT REMAINS ON WITH LANDING GEAR IN UP OR DOWN POSITION. IN DOWN POSITION 3 GREEN LIGHTS ILLUMINATE. IN UP POSITION ALL GEAR LIGHTS EXTINGUISHED. APPROX BOX FAULTS SENSOR RT GEAR DOOR-FAIL 20. REPLACED D1-29R MAIN GEAR DOOR SW PER M/M, RT GEAR DOOR INDICATION CHECK GOOD PER MM.