As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW DECLARED AN EMERGENCY, DUE TO LANDING GEAR DID NOT COME UP DOWN & LOCK ON INITIAL EXTENSION. RECEIVED AN ECAM WARNING DURING DESCENT ON FINAL APPROACH. DURING GO AROUND GEAR INDICATED DOWN AND LOCKED. PERFORMED SEVERAL EXT & RETRACTIONS WITH NO FAULTS FOUND. R & R L/G SELECTOR VALVE IAW AMM 32-31-12. CHECKED NORMAL IAW AMM 32-31-00. ALL EXT & RETRACTIONS CHECKED GOOD.