As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1525 CLT-DEN - RTF - CREW RECEIVED MULTIPLE FAULT MESSAGES FOR GEAR DISAGREEMENT AND AIRFRAME VIBRATIONS WHILE RETRACTING THE GEAR. ECAM - L/G NOT UPLOCKED - L/G LGCIU 1 FAULT - L/G DOORS NOT CLOSED - ALL GEAR & FLAP UP FUNCTIONS WERE SLOW. CREW ELECTED TO RETURN TO FIELD AND ALL 3 GEAR PINS WERE INSERTED FOR TAXI TO GATE. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR SELECTOR VALVE, THE NR 1 LGCIU (LANDING GEAR CONTROL INTERFACE UNIT), AND NLG PROXIMITY SENSORS 24GA & 25GA.