What was found
APPROXIMATELY ONE HOUR PRIOR TO ARRIVAL AT HNL NR 4 ENGINE CSD OVER TEMPERATURE. PROCEDURES 733 AND 734 INEFFECTIVE IN DISCONNECTING THE CSD. SHUT DOWN NR 4 ENGINE. LANDED UNDER AMBER ALERT. *S/D* ROOT CAUSE CANNOT BE DETERMINED DUE TO EXTENSIVE DAMAGE TO CSD. THE UNIT WILL BE SCRAPPED. THE SOLDER FOR THE DISCONNECT SOLENOID WIRES WAS MELTED AND IT CANNOT BE DETERMINED WHEN IT OCCURRED. THE CSD WAS REPLACED.