What was found
ON APPROACH WHEN FLAPS 15 SELECTED GOT LEADING EDGE LIGHT WITH L/E SLAT ASSYM EICAS MSG. LANDED WITH FLAPS 20 USING ALT FLAP POSITION/SELECTOR. DUE TO LDG FLAPS 20 AT 170K, LT MAIN GEAR BRAKE TEMP WAS 5 AND RT MAIN GEAR WAS 6. LDG WT 290K LBS. HAD BDL EMERG TRUCKS CALLED OUT FOR HOT LDG, POS WHEEL/BRAKE FIRES. NOT NEEDED. PERF HIGH ENERGY STOP/HEAT DMG INSP, NO DAMAGE FOUND. FOUND MID EXTEND PROX TARGET FOR NR 12 SLAT SW S300 MISSING REF IPC 27-81-02-01 FIG 1, SHT 3, DETAIL D. REPLACED TARGET.