As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED LANDING GEAR DOORS NOT CLOSED ECAM DISPLAYED AT GEAR UP. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURES AND RECYCLED THE LANDING GEAR WHICH CLEARED THE ECAM MESSAGE. MAINTENANCE ACCOMPLISHED A BITE CHECK AND NOTED A FAULT MESSAGE FOR THE NOSE LANDING GEAR EXTENSION PROXIMITY SENSOR TARGET 25GA. REPLACED PROXIMITY SENSOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-31-73 WITH NO FAULTS NOTED.