As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 374 FLL-LGA, AIRCRAFT DIVERTED TO JFK DUE TO UPON GEAR SELECTION DOWN GOT ECAM L/G DOOR NOT LOCKED FOLLOWED BY LANDING GEAR NOT DOWN INDICATION (LDG GEAR DOWN WAS SHOWING DOWN & LOCKED). T/S REVIEWED CFDS PFR & LAST REPORTS/ PREVIOUS HISTORY. LGCIU 2 REPORTS R L/G DOWNLOCK PROX SENSOR 16GA. REPLACED 16GA SENSOR IAW AMM 32-31-73-04.