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 FOUND SHORT TIME FAULT 75-10452. THE VBV POSITION SIGNALS DISAGREE ON #2 ENG. GROUNDED - YES. REMOVED AND REPLACED #2 ENG LH VBV ACTUATOR IAW B737-900 AMM 75-32-02. OPS CHECK GOOD. LEAK CHECK GOOD. NO FAULTS NOTED.