What was found
ATB - BOTH CABIN PRESS AUTO SYSTEMS FAILED, MANUAL MODE OPERATED OK. PERFORMED FIM 21-31-00. REPLACED CABIN PRESSURE SELECTOR PANEL PER AMM21-31-01. CHECKED OK, NO DEFECTS NOTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ATB - BOTH CABIN PRESS AUTO SYSTEMS FAILED, MANUAL MODE OPERATED OK. PERFORMED FIM 21-31-00. REPLACED CABIN PRESSURE SELECTOR PANEL PER AMM21-31-01. CHECKED OK, NO DEFECTS NOTED.