As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK TEMP EICAS MESSAGE AT FL.390 ACCOMPLISHED QRH PROCEDURE. PERFORMED BITE ON LEFT PACK CONTROLLER, FAULTED THE RAM INLET ACTUATOR. INSPECTED CLEARED AND RESEATED THE CONNECTOR. PERFORMED BITE NO FAULTS NOTED IAW FIM 21-51- F/T 803.