As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR CONDITIONING IS ALMOST UNCONTROLLABLE ON BOTH PACKS IN AUTO AND MANUAL MODE. WHEN ON APU AIR, IT COVERS THE WHOLE COCKPIT WITH A LOT OF CONDENSATION. REMOVED AND REPLACED TRIM AIR PRESSURE REGULATOR AND SHUTOFF VALVE. PART INFORMATION MISSING.