As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 5005 - CMH-PHL - DURING TAKEOFF, CREW REPORTED THE FLAPS FAILED TO RETRACT. CREW DECLARED AN EMERGENCY, AND RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FECU, OPS CHECK GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)