As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FUNCTIONAL FLIGHT FOR FLAP REMOVAL EXPERIENCED HIGH FREQUENCY BUFFET CLIMBING THROUGH FL 240 @ 280 KIAS, CLEAN WING. INSPECTED AND OPS CHECK TRAILING EDGE FLAPS, LEADING EDGE FLAPS AND KRUEGER FLAPS IAW AMM 27-51-00, 27-81-00 NO DEFECTS NOTED. AIRCRAFT PASSED FUNCTIONAL EVAL FLIGHT ON NEXT FLIGHT AND HAS FLOWN 20 HOURS AND 17 CYCLES SINCE THIS CLEARING ACTION