What was found
DFW FLT1262 - DURING FINAL APPROACH TO DFW, CREW SELECTED FLAPS FROM 15 TO 25 UNITS AND NOTICED A DEVELOPING SPLIT IN THE LEFT AND RIGHT FLAP POINTERS. AT 25 UNITS, THERE WAS A NOTICEABLE SPLIT BUT NO APPARENT AIRCRAFT ROLL. CREW EXECUTED A GO-AROUND AND LANDED WITH FLAPS 15 WITHOUT FURTHER INCIDENT. SUBSEQUENT TEST AT THE GATE SHOWED THE FLAPS GOING TO 25 UNITS WITH A 3 TO 4 SPLIT, THEN 30 UNITS WITH NO SPLIT AND 40 UNITS WITH NO SPLIT. MAINTENANCE FOUND THE FLAP POSITION INDICATOR FAULTY. REPLACED INDICATOR PER MM 27-51-00 AND 27-58-01. OPERATIONAL CHECK GOOD.