What was found
DURING FLIGHT THE NR 2 AIR CONDITIONING PACK HAD AN OVER LOAD MESSAGE. AIRCRAFT RETURNED TO ORD AND MAINTENANCE INSPECTED AND REMOVED AND REPLACED COUPLINGS ON THE PACK VALVE AND TEMP CONTROL VALVE. SYSTEM OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT THE NR 2 AIR CONDITIONING PACK HAD AN OVER LOAD MESSAGE. AIRCRAFT RETURNED TO ORD AND MAINTENANCE INSPECTED AND REMOVED AND REPLACED COUPLINGS ON THE PACK VALVE AND TEMP CONTROL VALVE. SYSTEM OPS CHECKED GOOD.