As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - CREW REPORTED MULTIPLE LAVATORY SMOKE ALARMS ON APPROACH. EMERGENCY DECLARED FLIGHT LANDED JFK WITHOUT INCIDENT. ALARMS WENT OUT WITH BLEEDS OFF ON THE GROUND. AIRCRAFT REMOVED FROM SERVICE. ACCOMPLISHED ENGINE RUNS AND OIL FUMES WERE IN THE CABIN. REPLACED LEFT ENGINE AT JFK ON 02/04/2011. SYSTEM GROUND CHECK NORMAL OPERATION.