What was found
FLT 5535 - DEN - NR 1 PACK WOULD NOT WARM THE COCKPIT AND HAD A PACK NR 1 OVERHEAT MESSAGE ON EICAS. MAINTENANCE DEFERRED NR 1 PACK SYSTEM PER MEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 5535 - DEN - NR 1 PACK WOULD NOT WARM THE COCKPIT AND HAD A PACK NR 1 OVERHEAT MESSAGE ON EICAS. MAINTENANCE DEFERRED NR 1 PACK SYSTEM PER MEL.