As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING TASK CARD 78273000 FOUND #1 ENGINE MSG NBR 75-10451 THE VBV POSITION SIGNALS DISAGREE. REQUIRES PLT DEFERRAL PER TASK CARD 73273000 OR CORRECT DEFECT. GROUNDED - YES. PERFORMED B737-900 FIM TASK 75-32 TASK 803. NO CURRENT FAULTS LOGGED. PER FIM TASK PERFORMED 12 ACTUATORS TEST AND TEST PASSED. PER FIM ORIGINAL FAULT WAS INTERMITTENT. THIS TASK CLEARS THIS PLT.