What was found
FLIGHT 5857 - DURING PHL APPROACH RECEIVED A FLAP FAIL CAUTION MESSAGE AT 20 DEGREES, CREW DECLARED AN EMERGENCY AND FLIGHT LANDED WITHOUT INCIDENT. REPLACED THE LEFT WING BRAKE POSITIONING SENSING UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5857 - DURING PHL APPROACH RECEIVED A FLAP FAIL CAUTION MESSAGE AT 20 DEGREES, CREW DECLARED AN EMERGENCY AND FLIGHT LANDED WITHOUT INCIDENT. REPLACED THE LEFT WING BRAKE POSITIONING SENSING UNIT.