As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ON LANDING GEAR EXTENSION DURING APPROACH, ECAM L/G NOT DOWNLOCKED WITH CRC. FLIGHT CREW RECYCLED GEAR PER ECAM AND THE GEAR EXTENDED SUCCESSFULLY. MAINTENANCE FOUND PROXIMITY SENSOR 34GA OUT OF ADJUSTMENT AND DAMAGED. MAINTENANCE REPLACED 34GA PROXIMITY SENSOR PER AMM 32-31-73-00-400 AND ACCOMPLISHED A SATISFACTIORY OPERATIONAL CHECK.