As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DUE TO GROUND INTERRUPT AND HISTORY OF LEADING EDGE FAULTS, PERFORM FIM TASK 27-51-00-810-801. RECORD THE INDICATED FAULTS AND REPAIR AS REQUIRED. POSSIBLE FAULTY LEADING EDGE FLAP SENSORS. ACCOMPLISHED FIM 27-88-00-810-805. CONFIRMED FAILURE OF F3 PROXIMITY RETRACT SENSOR S172. FAULT CODE 27-81220. REMOVED AND REPLACED S172 IAW AMM 27-88-11-400-802.