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 ON TAKE OFF FLIGHT CONTROL FLAP SYSTEM 1 FAULT. FLAPS CAME UP NORMAL THEN NAV GPWS FAULT AFTER FLAP MODE SWITCED TO OFF. THE AIRCRAFT LANDED SAFELY AT CLT WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED TSM TASK 27-51-00-810-845. NO FURTHER ACTION NECESSARY. A SATISFACTORY BITE CHECK OF THE SLAT FLAP CONTROL COMPUTER WAS ALSO ACCOMPLISHED.