As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR DID NOT EXTEND ON FINAL APPROACH. MANUAL GEAR EXTENSION PERFORMED. MAINTENANCE REPLACED THE LEFT AND RIGHT MLG SAFETY SWITCH, GEAR HANDLE CONTROL , LEFT GEAR UP PRESSURE SWITCH, AND CIRCUIT BREAKER. A SUCCESSFUL OPS CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.