As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT 3338 CONFIG WARNING ILLUMINATED ON SHORT FINAL GEAR WAS 3 GREEN FLAPS AT 20 QRH CONSULTED. SECOND APPROACH INITIATED AND WAS UNEVENTFUL. TRIMS WERE IN GREEN ARC'S. MAINTENANCE CLEANED AND INSPECTED ALL SQUAT SWITCHES ON MAIN GEAR. PERFORMED CONFIG WARNING TEST. ALL CHECKS GOOD AT THIS TIME.