As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FUEL DUMP, LEFT DUMP NOZZLE VALVE IN TRANSIT LIGHT ILLUMINATED BUT DID NOT EXTINGUISH. FUEL DUMP WAS OBSERVED FROM THE COCKPIT AT RIGHT WING BUT NOT AT LEFT WING. CLEANED AND RESECURED LEFT FUEL DUMP NOZZLE VALVE CANNON PLUG. OPERATIONALLY CHECKS GOOD.