What was found
PDIS 627 21-31 2596072 07DEC21 PHL CLOSE ON CLIMB OUT AIRCRAFT WOULD NOT PRESSURIZE. RESET DUMP SWITCH ON GROUND. FACT 07DEC21 11:02 PHL FOUND PRESSURE CONTROLLER IN WRONG CONFIGURATION. A/C PRESSURIZATION NORMAL. OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDIS 627 21-31 2596072 07DEC21 PHL CLOSE ON CLIMB OUT AIRCRAFT WOULD NOT PRESSURIZE. RESET DUMP SWITCH ON GROUND. FACT 07DEC21 11:02 PHL FOUND PRESSURE CONTROLLER IN WRONG CONFIGURATION. A/C PRESSURIZATION NORMAL. OK FOR SERVICE.