What was found
(CAN) ON APPROACH AT SPEED 170K, SELECTED FLAPS FROM 20 TO 25, FLAPS STOPPED AT 23 DEGREES, CAUTION LIGHT TRAILING EDGE FLAP DISAGREE. GO AROUND CARRIED OUT. CHANGED FLAP SLAT ELECTRONIC CONTROL UNIT (FSCU). OPERATION CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) ON APPROACH AT SPEED 170K, SELECTED FLAPS FROM 20 TO 25, FLAPS STOPPED AT 23 DEGREES, CAUTION LIGHT TRAILING EDGE FLAP DISAGREE. GO AROUND CARRIED OUT. CHANGED FLAP SLAT ELECTRONIC CONTROL UNIT (FSCU). OPERATION CHECK NORMAL.