What was found
RDU - FLAP DISAGREEMENT AFTER TAKEOFF. MAINTENANCE CLEANED FLAP TRACKS AND COULD NOT DUPLICATE DISAGREEMENT. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RDU - FLAP DISAGREEMENT AFTER TAKEOFF. MAINTENANCE CLEANED FLAP TRACKS AND COULD NOT DUPLICATE DISAGREEMENT. (X)