As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT ARRIVED WITH FLAP UNABLE TO RETRACT PAST THE INTERMEDIATE POSITION OF +-5 DEGREES.UPON INVESTIGATION FOUND THE LEFT HAND OUTBOARD VANE JAM DETECTOR UNIT SWITCH SHEARED AND INTERNALLY JAMMED AND BUFFER CRUSHED. THE BRACKET/SWITCH ASSEMBLY WAS REPLACED AND SYSTEM VERIFIED SERVICEABLE. FAILURE IS UNDER INVESTIGATION TO DETERMINE IF FATIGUE OR WEATHER ( ICE ) WOULD BE THE CAUSE.