What was found
DIVERSION, PILOT REPORT: L/E SLAT ASYM EICAS MSG ILLUMINATED ALONG WITH T/E ANNUNCIATOR AT FL 350. FOUND AND REPLACED NR 1 FSEU CAUSING FALSE SLAT LOSS MSG ALL WIRING FROM PIN C9, PER FIM OK EVEN WITH FAULT DISPLAYED. ALSO, RESET BOXES 2 AND 3. OPERATIONAL CHECK GOOD PER MM CHAPTER 27.