As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT DUE TO THE FLIGHT CREW REPORTING A FLIGHT CONTROL FLAP SYSTEM 2 FAULT WHEN MOVING FLAPS FROM 2 TO 1 ON TAKEOFF. THE AIRCRAFT LANDED SAFELY AT CLT WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED TSM 27-51-00-810-814 STEP A(5) SINGLE MOTOR OPERATIONAL TEST OF THE FLAP SYSTEM WITH NO FAULTS NOTED.