As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT AT FL240, THE NR 3 ENGINE START VALVE LIGHT ILLUMINATED. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT CONTINUED TO MSP WHERE AN UNEVENTFUL THREE ENGINE LANDING WAS ACCOMPLISHED. THE START VALVE AND PRESSURE SWITCH WERE REPLACED AND THE SYSTEM OPERATIONALLY CHECKED OK.