As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP FAIL MSG MOVING FLAP LEVER TO POSITION 1 GAVE LO RATE INDICATION. UPON MOVING FROM POSITION 1 TO 2 GAVE FLAP FAIL INDICATION. COMPLETED QRH PROCEDURE. INDICATION DID NOT CLEAR. RETURN TO MIA DECLARED EMERGENCY. R & R LT NR 4 FLAP ACTUATOR IAW AMM 27-51-01. OPS CHKD GOOD.