As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH WHEN THE FLAP HANDLE WAS MOVED FROM 5 UNITS TO 15 UNITS THE FLAPS STOPPED AT 10 UNITS. DURING ALTERNATE FLAP EXTENSION A FLAP ASYMMETRY OCCURRED AND THE FLAPS STAYED AT 10 UNITS. THE LT FLAP TRAVELED TO 15 UNITS. MAINTENANCE REPLACED THE RT FLAP POSITION TRANSMITTER.