As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3031 - ATB - DUE TO AIRCRAFT NOT PRESSURIZING WITH A SKIN AIR OUTLET VALVE FAULT. SAOV PREVIOUSLY ON MEL. CORRECTIVE ACTION: REACTIVATED SKIN EXCHANGER ISOLATION VALVE AND REPLACED THE SKIN AIR OUTLET VALVE. OPS TEST GOOD. MEL/PLAC REMOVED. (8736548)