As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
N 3 AND NR 4 LEADING EDGE FLAPS FAILED TO RETRACT FROM 2 DEGREES TO UP ON TAKEOFF. EXTENDED TO 5 DEGREES OK. LATER RETRACTION TO UP OK, THEN WENT INTERMITTENT WITH AIR SPEED INCREASE. DE-ICED LEADING EDGE ACTUATORS. OPERATIONAL CHECK OK.