As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF AND FLAPS COMING UP, LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT MIA. ACCOMPLISHED BITE ON FSEU FOUND F4 PROXIMITY SENSOR MX MESSAGES 27-81223. INTERMITTENTLY FAILING. ACCOMPLISHED FIM 27-88-00-810-806. REMOVE AND REPLACED S175 EXTEND SENSOR. PER AMM 27-88-11. OPERATIONAL CHECK GOOD.