What was found
AFTER FLAPS RETRACTED, RT INBOARD FLAP ASYMMETRY SPLIT. ONE IS AT 15 DEGREES, AND THE OTHER AT ZERO. ON APPROACH, FLAPS LOCKED OUT AT 4 DEGREES ON INBOARD AFTER FLAPS MOVED TO 15 DEGREES. INBOARD FLAPS RE-SYNCED AND FLAPS OPERATED NORMALLY. AIRCRAFT MADE AN UNEVENTFUL LANDING AT MSP. REMOVED AND REPLACED INBOARD FLAP INDICATOR AND PERFORMED ADJUST/TEST PER B727 MM 27-51-0. FLAP SYSTEM TEST GOOD WITH NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. (X)