What was found
WHEN FLAPS WERE SELECTED TO 15 THE FLAPS STOPPED AT 10 DEGREES RAN QRH MOVED FLAPS TO 15 ALT S ITEM LOCKED UNLOCKING LOGPAGE FOR SIGNOFF. UNLOCKING LOG PAGE UNLOCKING LOGPAGE T/S I.A.W. FIM. 27-51-00-810-836, FOUND EXISTING FAULT MSG.# 27-51427(ALSO ON AT LEAST 10 LEGS).FOLLOWED TO FIM 27-51-00-810-819, PERFORMED T.E. FLAP LOAD RELIEF GROUND TEST I.A.W. M.M.27-51-00-810-803 FOUND FLAP CONTROL LEVER POSITION SENSOR T538 ABOVE THE UPPER LIMIT. ADJUSTED SENSOR I.A.W. M.M. 27-51-06-730-802, ALL WITHIN LIMITS & NO EXISTING FAULTS. 27-51-06-820-802. PEFORMED SENSOR SYS. TEST I.A.W. M.M.