What was found
LEFT PACK FCV VLV INOP AT FL370, PRESSED AIR CON RESET TWICE DURING COURSE OF FLT, BUT CONTINUED TO FAIL. CHRONIC HISTORY. REPLACED FLOW SENSOR, NO HELP. REPLACED LEFT FLOW SENSOR MODULE, SYS TEST OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT PACK FCV VLV INOP AT FL370, PRESSED AIR CON RESET TWICE DURING COURSE OF FLT, BUT CONTINUED TO FAIL. CHRONIC HISTORY. REPLACED FLOW SENSOR, NO HELP. REPLACED LEFT FLOW SENSOR MODULE, SYS TEST OK.