As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP FAIL DURING LANDING. INSTALLED NEW SERVICEABLE FLEX DRIVE SHAFT AND HOUSING BETWEEN ACTUATORS 3 AND 4 ON RT SIDE IAW MM 27-53-10. REMOVED AND REPLACED RT ACTUATOR IAW CRJ MM 27-53-05. OPERATIONAL CHECK GOOD. PN 601R93105-405 SN OFF 5453.