As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLT 111 - ON APPROACH TO MIA, WHILE EXTENDING FLAPS TO 20 DEGREES A LEADING EDGE SLAT ASYMMETRIC EICAS MESSAGE. DECLARED AN EMERGENCY AND LANDED AT MIA WITHOUT INCIDENT. PERFORMED BITE CHECK OF FFU WITH NO FAULTS NOTED. CYCLED FLAPS SEVERAL TIMES WITH NO FAULTS NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION. COULD NOT DUPLICATE ON GROUND, AIRCRAFT RETURNED TO SERVICE. (M)