As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU - INFLIGHT T882 BOTH MAIN GEAR WOULD NOT RETRACT AFTER TAKEOFF. NOSE GEAR RETRACTED. UNSAFE CONDITION ON BOTH MAIN GEAR AND DOOR OPEN LIGHTS ILLUMINATED. ECAM LANDING GEAR WILL NOT RETRACT. LANDED SJU WITHOUT INCIDENT. REPLACED PROXIMITY BOX. VISUALLY INSPECTED SENSOR AND TARGETS FOR GENERAL CONDITION. SYSTEM GROUND CHECKED NORMAL OPERATION.