As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)ON APPROACH FLAP SELECTION RESULTED IN FLAP DRIVE CAUTION LIGHT ILLUMINATING, AND REMAINING ON AFTER LANDING. INSPECTION REVEALED FLAP SECONDARY DRIVE HAD SHEARED AT THE COUPLING. SUSPECT IMPROPER MAI NTENANCE DURING INSTALLATION FOLLOWING DRIVE COUPLING INSPECTION.