As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED/SLAT DISAGREE WITH SELECTED POSITION.(FOUND NUMBER 7 SLAT TRANSIT LIGHT STAYS ON. MESSAGE 27-81212 FAULTED). INSTALLED PROXIMITY SENSOR S1006 ON NUMBER 7 SLAT PER AMM 27-88-11.