What was found
FLT#1906, TPA-FLL. "AFTER TAKEOFF, LANDING GEAR DOOR NOT CLOSED ECAM ILLUMINATED WENT AWAY AFTER ABOUT 15 SECONDS MIDDLE DOOR ON LDG GEAR DISPLAY WAS RED; REMOVED AND REPLACED NLG UPLOCK ASSY REF AMM 32-31-21-400, OPS TEST AND FUNCTION CHK PER AMM 32-31-00-720. NO FAULTS NOTED, AC OK FOR SVC."