As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TASK CARD # 78273000 DISCOVERED SHORT TIME FAULT CODE # 75-10402 "THE VSV POSITION SIGNALS DISAGREE"ON ENG # 2. GROUNDED - YES. VERIFIED FAULT HISTORY IS CLEAR SINCE FAULT WAS DISCOVERED. NO INTERNAL EEC FAULTS FOUND. REF B737-900 FIM 75-31 TASK 804 & B737-900 AMM 73-21-00-700-804-F00.