What was found
FLT 6051 - BOS-LGA - AIR RETURNED TO BOS ON TAKEOFF, INBOARD FLAP ASYMMETRY TRIP. NR 5 L/E SLAT LIGHT SHOWED AMBER. ACCOMP ASYMMETRICAL FLAP ABNORMAL CHECKLIST, RETURNED TO BOS. ALL FLAPS EXTENDED ON LANDING. FOUND RIGHT INBOARD FLAP TRANSMITTER STICKING ON RETRACTION. REPLACED RIGHT INBOARD FLAP POSITION TRANSMITTER. REMOVED AND REPLACED NR 5 L/E SLAT ACTUATOR. OPERATION OF T/E FLAPS AND NR 5 L/E SLAT ACTUATOR CHECKS OK. (M)