As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH WHEN SELECTING GEAR DOWN RECEIVED NOSE DOOR AURAL AND GEAR DOWN DISAGREE. MISSED APPROACH AND RAN CHECKLIST. SELECTED GEAR UP TO MODERATE FLIGHT CONDITIONS. NEXT APPROACH SAME THING HAPPENED. THIS TIME USED MANUAL GEAR RELEASE. GEAR INDICATED DOWN AND LOCKED. NLG SELECTOR VALVE FOUND LEAKING AND ELECTRICAL CONNECTOR COMPLETED SATURATED INTERNALLY WITH HYD FLUID. REPLACED NLG SELECTOR VALVE AND OPS OK. AIRCRAFT RETURNED TO SERVICE.