What was found
DURING CRUISE, PACK 1 VALVE CLOSED UNCOMMANDED. MAINTENANCE PERFORMED AN OPERATIONAL CHECK OF THE NR 1 PACK SYSTEM WITH NO DEFECTS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CRUISE, PACK 1 VALVE CLOSED UNCOMMANDED. MAINTENANCE PERFORMED AN OPERATIONAL CHECK OF THE NR 1 PACK SYSTEM WITH NO DEFECTS NOTED.