What was found
AIRCRAFT WAS GROUNDED: WHEN GEAR WAS LOWERED FOR LANDING. WE GOT ECAM LANDING GEAR DOORS NOT CLOSED. WE ALSO HAD ONE RED AND ONE GREEN NOSE GEAR INDICATION. AN EMERGENCY WAS DECLARED, AND THE AIRCRAFT LANDED SAFELY AND UPON LANDING WAS ABLE TO CLEAR THE RUNWAY BEFORE LOOSING NOSE WHEEL STEERING. THE AIRCRAFT WAS TOWED TO THE GATE FORM THE TAXI WAY. **SUPPLEMENTAL REPORT FOR AALA202107068969: FOUND PROXIMITY TARGET 19GA MISSING. INSTALLED PROXIMITY TARGET AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-21-73** (CLOSED)