What was found
CABIN ALTITUDE CONTINUE TO CLIMB ABOVE 10,000 AT LEVEL FLIGHT 40,000. ACFT RETURNED FOR TROUBLESHOOTING. PERFORMED PRESSURIZATION TEST IAW AMM 21-31-00, TESTED GOOD. ACFT DEPARTED AT A LATER DATE WITHOUT EVENT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN ALTITUDE CONTINUE TO CLIMB ABOVE 10,000 AT LEVEL FLIGHT 40,000. ACFT RETURNED FOR TROUBLESHOOTING. PERFORMED PRESSURIZATION TEST IAW AMM 21-31-00, TESTED GOOD. ACFT DEPARTED AT A LATER DATE WITHOUT EVENT.