What was found
ASH 7120 ORD - LEFT AND RIGHT PACK HIGH PRESSURE CAUTION MESSAGES AND A/C WOULD NOT PRESSURIZE. OPS CHECK GOOD, NO DEFECTS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ASH 7120 ORD - LEFT AND RIGHT PACK HIGH PRESSURE CAUTION MESSAGES AND A/C WOULD NOT PRESSURIZE. OPS CHECK GOOD, NO DEFECTS NOTED.