What was found
FLOW CONTROL VALVE WILL NOT OPEN AND CLOSE PROPERLY. ALSO, THE VALVE WILL NOT REMAIN SEATED WHICH CAUSES BLEED AIR TO PASS BY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLOW CONTROL VALVE WILL NOT OPEN AND CLOSE PROPERLY. ALSO, THE VALVE WILL NOT REMAIN SEATED WHICH CAUSES BLEED AIR TO PASS BY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.