What was found
AFTER TAKEOFF, AFTER SELECTING FLAPS 0 " FLAP ASSM " ANNUNICATOR ILLUMINATED. FLYING PILOT NOTICED NO CONTROL PROBLEMS. ANNUNICATOR EVENTULLY EXTINGUISHED. TROUBLESHOT SYSTEM AS PER WDM IN 400 XP MM CM 27-50-00, REMOVED AND REPLACED LT AND RT FLAP POSITION TRANSMITTERS IAW 400XP MM CH 27-50-00. OPS CHECK GOOD.