As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1179 BOS-EWR, STRAIGHT AND LEVEL FLIGHT AT 180 KNOTS FLAPS WERE ALREADY AT 1 WHEN WE RECEIVED A SLAT FAIL EICAS MESSAGE. FLAP HANDLE WAS NOT MOVED WHEN WE GOT THE FAILURE. PERFORMED FIM PROCEDURES 27-81-00-810-805A SUBTASK 810-028-A FOUND TO BE IN A TRANSITORY CONDITION. CYCLED SLAT/FLAPS SEVERAL TIMES AND POWER DOWN AIRCRAFT. REF TSI 7925 IF NO FAULTS FOUND REPLACED LEFT WING OUTBD SKEW SENSOR DUE TO PREVIOUS HIT ON SAME ITEM. REMOVED AND REPLACED LEFT OUTBD SKEW SENSOR. OPS CHECK OK.