What was found
FLIGHT 5217 - AFTER TAKEOFF FROM JFK RECEIVED OVERBOARD COOL CAUTION MESSAGE AT 500 FT. AIRCRAFT WAS NOT PRESSURIZING. RETURNED TO JFK AND LANDED WITHOUT INCIDENT. TRANSFERRED TO DMI LIST PER MEL 21-24-06-2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5217 - AFTER TAKEOFF FROM JFK RECEIVED OVERBOARD COOL CAUTION MESSAGE AT 500 FT. AIRCRAFT WAS NOT PRESSURIZING. RETURNED TO JFK AND LANDED WITHOUT INCIDENT. TRANSFERRED TO DMI LIST PER MEL 21-24-06-2.