As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR GAVE NO REACTION WHEN GEAR HANDLE EXTENDED. MOVED FLAPS TO FULL DOWN, LANDING GEAR WARNING HORN SOUNDED. FOLLOWED EMERGENCY CHECKLIST AND MANUALLY EXTENDED THE GEAR AND GOT 3 GEAR SAFE INDICATION LIGHTS AND LANDED SAFELY. MAINTENANCE REPLACED A316 PC BOARD AND CLEARED DISCREPANCY.