As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - DURING FLAP MOVEMENT FROM ONE TO FIVE DEGREES FLAP WAS STUCK AT ONE DEGREE. FLAP ASSEMETRY FAULT AND EICAS MESSAGE APPEARED. FLIGHT LANDED JFK WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND TWO ROTARY ACTUATOR PINS POPPED ON RIGHT WING. REPLACED NUMBER 4 AND 5 FLAP ROTARY ACTUATORS. SYSTEM GROUND CHECK NORMAL OPERATION.