What was found
UNABLE TO PRESSURIZE ACFT DURING CLIMB. REMOVED AND REPLACED SAFETY RELIEF VALVE, SYSTEM OPS CHECKS NORMAL ON RUN-UP MM 21-30-2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO PRESSURIZE ACFT DURING CLIMB. REMOVED AND REPLACED SAFETY RELIEF VALVE, SYSTEM OPS CHECKS NORMAL ON RUN-UP MM 21-30-2.