What was found
DEFECTIVE UNIT CAUSES AIRCRAFT TO AUTO PRESSURIZE, EICAS MISCOMPARE MESSAGE AND FAULT LIGHT TO ILLUMINATE. NO PROBABLE CAUSE FOR CABIN PRESSURE CONTROLLER FAILURE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DEFECTIVE UNIT CAUSES AIRCRAFT TO AUTO PRESSURIZE, EICAS MISCOMPARE MESSAGE AND FAULT LIGHT TO ILLUMINATE. NO PROBABLE CAUSE FOR CABIN PRESSURE CONTROLLER FAILURE.