As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CJU - FLT 922 - AFTER TAKEOFF, L/E FLAP AMBER LIGHT REMAINED ON IN RETRACT POSITION. AIRCRAFT RETURNED TO CJU. MAINTENANCE FOUND NR 3 L/E FLAP SWITCH FAULTY IN 'UP' POSITION. REPLACED SWITCH AND SYSTEM GROUND OPERATION CHECKED GOOD. (X)