As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND TWO MAINT MESSAGES ON NR 2 ENG RECENT FAULTS. 75-10452 AND 75-20452 THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED FIM TROUBLESHOOTING, REF B737-900 FIM 75-32 TASK 803. FOUND TWO VBV RING GUIDE PADS DISBONDED AT 6 O`CLOCK AND 7 O`CLOCK POSITION ON NR 2 ENG. PERFORMED ACTUATORS TEST. OPS CHECK GOOD, NO FAULTS NOTED.