What was found
ON THE GROUND AND APU RUNNING, SEVERAL SECONDS AFTER ISOLATION VALVE OPENED SMOKE APPEARED IN THE COCKPIT WITH AN OILY SMELL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON THE GROUND AND APU RUNNING, SEVERAL SECONDS AFTER ISOLATION VALVE OPENED SMOKE APPEARED IN THE COCKPIT WITH AN OILY SMELL.