As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING GEAR EXTENSION, DID NOT RECEIVE A GREEN OR RED GEAR POSITION LIGHT. VISUALLY CHECKED (TOWER & PERISCOPE ) LANDING GEAR FOR SAFE INDICATIONS. ON POWER TRANSFER TO GROUND POWER, GEAR POSITION LIGHTS BECAME GREEN & CYCLED, UNSAFE TWICE ( RED LIGHTS WITH CAWS WARNING). PERFORMED BITE ON PROX BOX. DURING BITE GEAR INDICATION RETURNED TO NORMAL. GREEN LIGHTS ON. R & R PROX BOX PER MM 32-60-04-02 CHECKS. GOOD.