What was found
AFTER TAKEOFF FROM RFD UPON FLAP RETRACTION FROM 15 DEGREES TO 5 DEGREES T/E DISAGREE MESSAGE APPEARED. FOLLOWED CPM PROCEDURES FLAPS OPERATED NORMALLY, RETURNED TO RFD LANDING WEIGHT 76,0000 LBS. PERFORMED FIM 27-51-00/101 FIG 105 FOUND THE NR 1 FSEU FAULTY. REMOVED AND REPLACED THE NR 1 FSEU IAW MM 27-51-01, OPS CHECK GOOD. ADDITIONALLY CLEANED MICRO-SWITCHES ON CONTROL PEDESTAL.