As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- BOOST PUMPS CYCLED CONTINUOUSLY. CENTER TANK EJECTOR PUMPS REMAINED ON CONTINUOUSLY WITH A STEADY 100-110 POUND QUANTITY IN CENTER TANK. REMOVED AND REPLACED LEFT HAND AND RIGHT HAND PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.