As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FLAPS WOULD NOT COMPLETELY RETRACT. A FLAP DISAGREEMENT RESULTED. DID QRH PROCEDURE, IT DID NOT CLEAR. RETURNED TO LAND. AFTER LANDING FLAPS RETURNED OK. REMOVED AND REPLACED LEFT INBOARD FLAP ACTUATOR CONNECTOR PIN. CYCLED FLAPS NUMEROUS TIMES. OPS CHECK GOOD. P/N: MS3476L12-10S.