As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT JB624 - HOU-JFK "FLAP FAIL" EICAS MESSAGE ON APPROACH TO JFK FLAPS/SLATS 0 APPROACH. FL4000 AT 210 KTS SELECTED FLAPS 1 AND SLATS EXTENDED BUT FLAPS DID NOT, DID NOT RECEIVE "LO RATE" MESSAGE. CREW DECLARED EMERGENCY AIRCRAFT LANDED SAFELY. MX PERFORMED TROUBLESHOOTING PER FAULT CODE 27532018ACE, REMOVED AND REPLACED S-FACE NR 1 OPS CHECK GOOD. CYCLED FLAPS SEVERAL TIMES IAW AMM 27-53-02, NO FAULTS FOUND. AIRCRAFT RETURNED TO SERVICE.