As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SLAT FAIL INDICATION ON EICAS DURING APPROACH. CREW DECLARED EMERGENCY INTO PHL, AND LANDED WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO THE A/C. TROUBLESHOT AND FOUND SFACE NR 2 TO BE AT FAULT. REPLACED PER EMB AMM, OPS CHECKED AND FOUND GOOD PER EMB AMM. A/C WAS THEN RELEASED BACK INTO SERVICE.