What was found
AIR TURNBACK - A/C FAILED TO PRESSURIZE ON CLIMBOUT. "AUTO FAIL" LIGHT ON & "STANDBY" LIGHT ON PASSING 5-7K'. REMOVED AND REPLACED PRESSURE CONTROLLER PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK - A/C FAILED TO PRESSURIZE ON CLIMBOUT. "AUTO FAIL" LIGHT ON & "STANDBY" LIGHT ON PASSING 5-7K'. REMOVED AND REPLACED PRESSURE CONTROLLER PER MM.