As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NLG DOOR UNSAFE LIGHT DOES NOT COME ON WHEN PUSHING AND HOLDING THE PRESS TO TEST BUTTON. FOUND GEAR UNSAFE LIGHTS CB TRIPPED. RESET BUT TRIPPED AGAIN. ISOLATED PROBLEM TO NOSE GEAR DOOR RELEASE AND SAFETY VALVE. CONNECTOR AT NOSE GEAR DOOR RELEASE -SAFETY VALVE IS RECONNECTED FOR PROTECTION AND CB P31 0 J4- LG DOOR CLOSE GROUND ACCESS IND - IS IN POPPED STATE. REPLACED NLG DOOR RELEASE - SAFETY VALVE MODULE. CHECKS GOOD.