What was found
IN CRUISE FLIGHT CREW REPORTED DUAL ENVIRONMENTAL FAIL INDICATION. PRESSURIZATION SYSTEM FAILED. FOUND ENVIRONMENTAL SYSTEM PRINTED CIRCUIT BOARD INOPERATIVE. REPLACED CIRCUIT BOARD. OPERATIONAL CHECK GOOD. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IN CRUISE FLIGHT CREW REPORTED DUAL ENVIRONMENTAL FAIL INDICATION. PRESSURIZATION SYSTEM FAILED. FOUND ENVIRONMENTAL SYSTEM PRINTED CIRCUIT BOARD INOPERATIVE. REPLACED CIRCUIT BOARD. OPERATIONAL CHECK GOOD. (M)