As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - THE LEFT AND RIGHT FUEL PUMP ON GREEN ADVISORY MESSAGE AND AUDIBLE INDICATION OF PUMPS CYCLING CONTINUOUSLY WHILE AT 39K FEET. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE LEFT AND RIGHT EJECTOR PRESSURE SENSORS. OPERATIONAL AND LEAK CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.