As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT DURING APPROACH, WHEN SELECTING GEAR HANDLE DOWN GEAR DID NOT EXTEND. MANUAL EXTENSION WAS PERFORMED AND EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE GEAR HANDLE AND USED A HYDRAULIC MULE FOR OPERATIONAL CHECK. OPERATIONAL CHECK OF EXTENSION AND RETRACTION SYSTEMS WAS GOOD. AIRCRAFT RETURNED TO SERVICE.