As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING ASA TASK CARD 78273000 ENGINE 2 FAULT CODE 75-20452 THE VBV POSITION SIGNALS DISAGREE SHORT TIME FAULT APPEARED DEFERRED PER T/C 78273000. GROUNDED - YES. VERIFIED FAULT CODE 75-20452 STILL SHOWING INTERMITTENT LAST 10 FLT LEGS. PER PREVIOUS HISTORY AND TECH SVS REQUEST REPLACED #2 ENG J10 HARNESS REF B737-900 AMM 73-21-06. ACCOMPLISHED ALL J10 HARNESS INSTALLATION TESTS, NO DEFECTS NOTED REF AMM 73-21-06.