As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
30 MINS INTO FLIGHT, FO CDU LOST POWER. THIS HAPPENED JUST AS THEY WERE COASTING OUT. REPEAT WRITE-UP(<P>FOUND 115 VAC AT PLUG (DM7440A) PIN 40 TO P41. VOLTAGE NORMAL DURING WIRE SHAKE. GND ALSO NORMAL DURING WIRE SHAKE. OPS CHECK NORMAL FOR RH CDU. FOR T/S PURPOSES, SWAPPED CTR CDU TO RH POSITION. OPS CHECK NORMAL IAW AMM 34-61-02. REMOVED & REPLACED CENTER CDU & OPS CHECK GOOD IAW AMM 34-61-02 REF IPC 34-61-02-01</P>)