As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, CREW RECEIVED THE EICAS MESSAGE 'LE SLAT DISAGREE' AND THE ASSOCIATED LIGHT. FLIGHT RETURNED TO PHL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED A BITE OF THE FSCU AND PSEU. NO PROBLEMS WERE FOUND. THE AIRCRAFT WAS RELEASED FOR FLIGHT. (M)