As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, CREW DISCOVERED THE OTBD FLAPS WOULD NOT EXTEND TO LANDING POSITION AND ELECTED TO GO AROUND. CREW USED ALTERNATE (ELECTRIC) SYS TO EXTEND THE FLAPS AND LANDED UNEVENTFULLY. THE FLAP SYS WAS LUBED IAW THE MM AND TESTED SERVICEABLE, AND WAS RETURNED TO SERVICE.