What was found
ON ARRIVAL RECEIVED LEADING EDGE SLAT ASYMMETRY MESSAGE. FOLLOWED QRH PROCEDURES, DECLARED AN EMERGENCY AND LANDED WITH FLAPS 20 UNEVENTFULLY. FIM 27-81 TREE 809, TROUBLE SHOT IAW FIM 27-81, TREE 809. MESSAGE CLEARED. OPERATED FLAPS/SLATS NUMEROUS TIMES IN NORMAL MODE. OPS CHKD GOOD. PERFORMED PSEU BITE IAW FIM 32-09, TREE 803. TARGET 296 IDENTIFIED IN INFLIGHT FAULTS. CLEANED SENSOR & TARGET. PERFORMED ON GROUND SYSTEM TEST ON PSEU. NO FAULTS DISPLAYED. IAW FIM SYSTEM IS OK.