As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH TO PHL THE CREW RECEIVED A FLAPS FAIL AND DECLARED AN EMERGENCY. TRUCKS ROLLED. THE AIRCRAFT LANDED SAFELY AND TAXIED TO THE GATE. THE AIRCRAFT WILL BE FERRIED TO A MAINTENANCE BASE FOR REPAIR. FOUND BOTH RT OB ACTUATORS NOT SUFFICIENTLY LUBRICATED, LUBRICATED THE RT OB ACTUATORS AND REMOVED AND REPLACED LT BPSU, OPS CHECK GOOD.