As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPROTS IN CLIMB @ FL 250, AMBER L.E. IN TRANSIT LIGHT ILLUMINATED INTERMITTANTLY. DID QRH PROCEDURES UPON APPROACH TO MIA WITH FLAPS EXT. LIGHT CONTINUED TO FLASH EVEN W/ 15 FLAPS. MAINTENANCE FOUND SL6 PROX OUTBOARD MSG 27-81210 DISPLAYED ON FSEU. REMOVED AND REPLACED SLAT #6 OUTBOARD PROXIMITY SENSOR IAW AMM 27-88-11. OPS CHECK OKAY.