What was found
FLT 2618, FLL-JAX(AIR TURN BACK). LANDING GEAR WARNING ANNUNCIATED WITH GEAR UP AT 5000 DURING THE CLIMB. THE WARNING COULD NOT BE SILENCED.; REPLACED #2 R/A RECEIVER ANTENA IAW M/M 34-31-02, ACCOMPLISHED OPS CHECK, FOUND TO BE NORMAL. SEE L/P# 3241737 ITEM #1 FOR AURAL WARNING SYSTEM.