As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C 78273000 #2 ENG FOUND FAULT CODE #75-10442 VBV SIGNAL OUT OF RANGE. GROUNDED - YES. REF TSR703795 REMOVED AND REPLACED #2 ENGINE RT VBV ACTUATOR S/N YU023186-K PER AMM 75-32-02. OPS CHECKS AND LEAK CHECKS GOOD. GROUND VERIFICATION SUCCESSFUL.