As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH FLAPS SELECTED 45 DEGREES, OUTBOARD PAIR OF FLAPS GO INTO DISAGREEMENT MODE. FLAPS GO TO 45 DEGREES BELOW 125 KTS. TROUBLESHOT WITH FLAP BREAKOUT BOX. FOUND ALL RESISTANCE READINGS TO BE WITHIN PARAMETERS. INSPECTED OUTBOARD FLAP TRACKS AND FOUND TO BE EXTREMELY SOILED. CLEANED FLAP TRACKS (OUTBOARD SIDE).