As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED CABIN PRESSURIZATION 5.2 PSID UNTIL REACHING 17,000 FT AT LEVEL OFF CABIN BEGAN A 6,000 FPM CLIMB UNTIL REACHING AROUND 1 PSID AT THAT TIME CABIN PRESSURIZED AT 1-1.5 PSID THE REMAINDER OF THE FLIGHT NO NOISE OR RUSH OF AIR WAS OBSERVED. CLEANED OUTFLOW VALVES AND REPLACED CABIN PRESSURE CONTROLLER, OPS CHECK GOOD ON THE GROUND.