As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM: USING FMC CDU FOUND RT ENGINE FAULT. VBV POSITION SIGNAL IS OUT OF RANGE. TROUBLE SHOT AS PER FIM 75-32 TASK 802-803 PERFORMED RESISTANCE CHECK AS PER FIM. CHECKED CONNECTORS SYS CHECKED NORMAL RESISTANCE. PERFORM REPAIR CONFIRMATION. ACTUATORS TEST 12 NO FAULT FOUND. THIS CLEARS THE DMI 8074.