As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) (FLAPS FAIL) MESSAGE DISPLAYED ON APPROACH. FLAPS FAILED WHEN SELECTING FROM FLAP 20 DEGREES TO FLAPS 30 DEGREES. FLAPS REMAINED AT 20 DEGREES AT A SPEED OF 170 KIAS. MAINTENANCE REPLACED FECU (FLAPS ELECTRONIC CONTROL UNIT) DUE TO UNABLE TO TEST AND THE LT BPSU (BRAKE POWER SENSOR UNIT) P/N 8550100-9, S/N 372. AIRFRAME HOURS: 24818:12 CYCLES: 20440. (TC NR 20070607011)