What was found
UNABLE TO CONTROL CABIN PRESSURE IN MANUAL OR AUTO MODE. IN MANUAL THE CABIN WOULD CLIMB, BUT NOT DESCENT. RETURNED TO SLC. REMOVED AND REPLACED ELECTRONIC CONTROL, OPS CK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO CONTROL CABIN PRESSURE IN MANUAL OR AUTO MODE. IN MANUAL THE CABIN WOULD CLIMB, BUT NOT DESCENT. RETURNED TO SLC. REMOVED AND REPLACED ELECTRONIC CONTROL, OPS CK GOOD.