What was found
UNABLE TO CONTROL CABIN PRESSURE ON CLIMBOUT OF DEN. RETURNED TO DEN. CORRECTED THE AIRCRAFT FROM 7762 TO 7763. *S/D* ENG 3 BLEED SHUT OFF VALVE STICKING. REPLACED ENG 3 SHUTOFF VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO CONTROL CABIN PRESSURE ON CLIMBOUT OF DEN. RETURNED TO DEN. CORRECTED THE AIRCRAFT FROM 7762 TO 7763. *S/D* ENG 3 BLEED SHUT OFF VALVE STICKING. REPLACED ENG 3 SHUTOFF VALVE.