As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB-OUT, EN ROUTE, CREW RECEIVED A LEADING EDGE SLAT TRANSITION LIGHT. CREW COULD NOT RETRACT THE LEADING EDGE SLATS. TRAILING EDGE DEVICES WERE NORMAL. CREW ELECTED TO RETURNED TO FIELD WHERE THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE STANDBY HYDRAULIC SYSTEM MODULE IAW MM 29-15-81. OPERATIONAL CHECK AND LEAK CHECK GOOD. (M)