What was found
FLAP SLAT SKEW SENSORS STATUS AT DEPARTURE. DEFERRED DUE NIL TIME. MAINT MSG 27-20312. -INF- :ITEM SHOULD SAY FLAP SLAT SKEW SENSOR. BOEING AHM REPORTING MMSG 27-20312 'FLAP SKEW SENSOR L4B SIGNAL FAIL' REF WDM 27-59-12 P3. ENSURE WIRE HARNESS W8181 NOT AT FAULT (USUALLY 6 IN FROM CONN). KNOWN DEFECT AREA. CLEANED SENSOR CONNECTOR, WIRE HARNESS OK NEAR SENSOR, CKS OK REF WDM 27-59-12 AND FAULT NOT ACTIVE REF FIM 27-59-839.