What was found
AT FLAPS 25 DEGREES TAKEOFF WHEN RETRACTING TO 15 DEGREES POSITION, INBOARD FLAP INDICATED NORMAL. WHEN RETRACTING TO 5 DEGREES INBOARD INDICATOR STAYED AT 15 DEGREES, OUTBOARD WENT TO 5 DEGREES. REMOVED AND REPLACED LT INBD, INBD TRANSMISSION ASSY IAW B727 MM CHAPTER 27-51-41, REMOVED AND REPLACED HYD MOTOR ON LT INBD FLAP DRIVE IAW B727 MM CHAPTER 27-52-62. FOUND INBD FLAP INDICATOR NEEDLES ERRATIC, REMOVED AND REPLACED INDICATOR IAW B727 MM CHAPTER 27-52-21. SYSTEM OPS AND LEAK CKS GOOD ON GROUND. NO DEFECTS NOTED.