What was found
LE SLAT DISAGREE LE SLAT ASYM DETECTED. RAN CHECKLIST, NO HELP ON LE SLATS. LANDED WITH ALTERNATE TE FLAPS. TROUBLE SHOT IAW FIM 27-81-00-815-803 BITE OF FSEU 2, NO FAULTS, FSAM NO FAULTS. FSEU 1 FLIGHT FAULT HISTORY SHOWS FAILURE. R & R FSEU 1 IAW MM 27-51-01. SYS GND CHECKED GOOD. PERFORMED OPERATIONAL TEST LE SLAT SYS IAW AMM 27-81-00-715-001. OPERATIONS CHECKED GOOD, NO FAULTS. ROTABLE PARTS CHANGE WAS INDICATED TT 1635197 SN OFF 02288 UNIT, FLAP & SL OFF 19-2758-9-0002 2288 ON 19-2758-9-0002 2184.