What was found
FLAP DISAGREE CAUTION WHEN ATTEMPTING TO RETRACT 15 DIGREES TO 0 DEGREES. REPLACED ALL 4 FLAP ROLL AND WASHERS ON LEFT OUTBOARD FLAP, OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLAP DISAGREE CAUTION WHEN ATTEMPTING TO RETRACT 15 DIGREES TO 0 DEGREES. REPLACED ALL 4 FLAP ROLL AND WASHERS ON LEFT OUTBOARD FLAP, OPERATIONAL CHECK GOOD.