As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, AFTER SELECTING FLAPS 45 DEGREES, A FLAPS FAIL MESSAGE APPEARED AND THE FLAPS STOPPED AT 41 DEGREES. THE AIRCRAFT LANDED WITH THE FLAPS AT 41 DEGREES. SUBSEQUENT TROUBLESHOOTING WAS CARRIED OUT PER FIM 27-50-00 FIGURES 101 AND 102 (REF AD CF2007-10R1). AS A RESULT OF THE FINDINGS FROM THE FIM TASKS, THE SKEW DETECTION UNIT (SDU) WILL BE REPLACED. (TC# 20190301006)