As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ALT REACHED 9600FT @ AT FL190 AFTER DESCENDING TO 10000FT CABIN SLOWLY REPRESSURIZED TO 400 FT (DELTA)P 4.4 NORMAL FOR THAT ALTITUDE-C/A-FOUND PNEUMATIC OUTFLOW VALVE STICKING, REPLACED AND REMOVED P.O.V. IAW AMM 21-31-04. PERFORMED FUNCTIONAL CHECK IAW AMM 21-31-00-05. FNC GOOD AND PERFORMED PRESSURIZATION CHECK IAW AMM 21-31-00-02. PRESSURIZATION CHECK GOOD. NO DEFECTS NOTED AT THIS TIME.