As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN SELECTING FLAPS FROM 18 TO 24 DEGREES, GOT A FLAP FAULT AND FLAP INOP. THE FLAPS DID NOT MOVE FROM 18 TO 24 DEGREES. THE F/O REPORTED THE FLAP HANDLE DID NOT TRAVEL SMOOTHLY FROM 18 TO 24 DEGREES. MAINTENANCE PERFORMED FLAP FAULT RESET AND SAFETY LANE 1 AND 2 RESET PROCEDURES IAW AVRO MM 27-50-00 PG 301. LUBRICATED SCREW JACK BALL NUTS. OPS CHECK OF FLAP GOOD.