What was found
AFTER TAKEOFF FLAPS WOULD NOT RETRACT. AIRCRAFT RETURNED TO THE FIELD, MAINTENANCE WAS CALLED. CLEANED FLAP SAFETY SWITCHES.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF FLAPS WOULD NOT RETRACT. AIRCRAFT RETURNED TO THE FIELD, MAINTENANCE WAS CALLED. CLEANED FLAP SAFETY SWITCHES.