What was found
ACFT DID NOT PRESSURIZE. ACFT DECLARED EMERGENCY AND RETURNED TO DEPARTURE. LANDING NORMAL. MX EVALUATING DISCREPANCY WITH AUTO PRESSURE SYS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ACFT DID NOT PRESSURIZE. ACFT DECLARED EMERGENCY AND RETURNED TO DEPARTURE. LANDING NORMAL. MX EVALUATING DISCREPANCY WITH AUTO PRESSURE SYS.