As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FLT 0346 - FLIGHT EXPERIENCED SLAT EXTENSION PROBLEMS. THE FLAPS/SLATS EXTEND LIGHT WOULD NOT STAY ON. FLIGHT RETURNED TO CLT WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE LEFT LEADING EDGE ADVISORY SWITCH STICKING. THE SWITCH WAS REPLACED AND THE FLAPS ALL CHECKED NORMAL. (W)