As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER TC 78273000 INTERROGATION OF FMC CDU ENGINE #2 FAULT SHOWS FAULT CODE 75-30452, VBV POSITION SIGNALS DISAGREE ON FLIGHT LEG 3 SHORT TIME FAULT. GROUNDED - YES. (RESOLVED ON W/O: 1961619 TASKCARD: N/R-00001 ) PERFORMED T/C 78273000 NO FAULT DETECTED IN RECENT FAULTS OR FAULT HISTORY.THIS CLEARS PLT C/N 14098434 REMOVED,