What was found
DECLARED EMERGENCY -- ON APPROACH SELECTING FLAPS 5, INDICATION STOPPED AT FLAPS 2 DEGREE. SELECTED FLAPS 10 DEGREE, INDICATION REMAINED AT FLAPS 2. SELECTED FLAPS 15 DEGREE, INDICATION REMAINED AT FLAPS 2. AFTER 2-3 MINUTES FLAPS INDICATION WENT TO FLAPS 15, LANDED WITH FLAPS 15 DEGREE. REMOVED AND REPLACED INDICATOR PER AMM.