As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK CREW REPORTED LOSS OF LT ENGINE OIL PRESSURE. ASSOCIATED EICAS "OIL PRESSURE" MESSAGE. CREW SHUTDOWN ENGINE. EMERGENCY DECLARED FLIGHT RETURNED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LT ENGINE AT JFK ON 09/29/2013. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.