As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- 'LEFT AND RIGHT FUEL PUMP ON' EICAS MESSAGE. CYCLED ON/OFF FOR 35 MINUTES UNTIL DESCENDING OUT OF FLIGHT LEVEL 390. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED LEFT AND RIGHT PRIMARY EJECTOR PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.