As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LE FLAPS TRANSIT LIGHT ILLUMINATED TWICE ON FINAL APPROACH ACCOMPANIED BY AIRSPEED LOW AURAL WARNING. MAINTENANCE REMOVED AND REPLACED L.E. SLAT SENSOR 1009 IAW AMM 27-88-11. OPS CHECK AND SENSOR TEST GOOD IAW AMM 27-88-11.