What was found
SLAT FAIL ON FLAP EXTENSION DURING LANDING. W/O 347799 ADDITION MESSSAGES APPEARED SPOILER FAULT, AOA LIMIT FAIL, SHAKER ANTICAPATED, SLAT-FLAP LEVER DISAGREE. GROUND PROX FAIL AND WINDSHEAR FAIL ON EICAS. PERFORMED FIM 27-81-00-810-805-A00, 27-50-00-810-802-A00, 27-80-00-810-801-A00 AND FOUND MSG TO CLEAR. PERFORMED OPS CHECK DEFECTS CLEARED. ADDITIONAL DESCRIBED MESSAGES CLEARED WITH FIM 27-81-00-810-805-A00. OK TO CONTINUE. W/O 347855 SLAT FAIL DURING TAKEOFF. R & R LT WING NR 2 SLAT AND NR 4 SLAT ELECTRICAL HARNESSES IAW AMM 27-83-07,OPS CHECKED GOOD. MESSAGE CLEARED (W511 AND W512 HARNESSESS) HARNESS REPLACED PN, 171-00187-401, POSITION 2/3 LT AND 171-10231-401, POSITION 3/4 LT.