What was found
DURING CLIMB CABIN PRESS FAILED TO STOP AT 8.6 PSI (YELLOW BAND). SYS DID NOT SWITCH TO STBY. REMOVED AND REPLACED OUTFLOW VALVE & PRESSURE SELECTOR PNL. OK PER MM 21-31-000-5.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB CABIN PRESS FAILED TO STOP AT 8.6 PSI (YELLOW BAND). SYS DID NOT SWITCH TO STBY. REMOVED AND REPLACED OUTFLOW VALVE & PRESSURE SELECTOR PNL. OK PER MM 21-31-000-5.