As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. AIR INTERRUPT, EMER NOT DECLARED, LANDING UNEVENTFUL & ACFT WAS NOT OVERWEIGHT. DURING CLIMB COULD NOT EXCEED FL 200 WITHOUT RECEIVING PRESSURIZATION FAULT WARNING. R & R PRE-COOLER CONTROL VLV IAW AMM 36-12-02. LEAK & OPERATIONAL CHECKED GOOD.