What was found
PHL - FL 297 - DURING CLIMB-OUT OF PHL, THE NR 6 SLAT FAILED TO RETRACT FROM THE EXTEND POSITION. RECYCLED SLAT TO FULL EXTEND BUT SLAT GOT STUCK AT EXTEND AGAIN. CAPTAIN ELECTED TO RETURN TO FIELD AT PHL. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 6 OUTBOARD RIGHT SLAT ACTUATOR PER MM 27-81-41. OPERATIONAL CHECK GOOD. (M)