What was found
ENG 2 SHORT TIME FAULT MSG NBR 75-30452 "THE VBV POSITION SIGNALS DISAGREE" DEFERRED PER T/C 78273000. GROUNDED - YES. PERFORMED B737-900 FIM 73-32 TASK 803. EEC SHOWS NO CURRENT FAULTS ON ENGINE 2, BUT FAULT HISTORY SHOWS 2 HITS FOR FAULT MESSAGE 75-30452. PERFORMED BOTH RESISTANCE CHECKS OF BOTH VBV AND GVI OF HARNESS AND CONNECTORS. EXAMINED THE VBV ACTUATION SYSTEM. NO PROBLEMS FOUND. DUE TO HISTORY SINCE 2020, REMOVED AND REPLACED #2 ENG L/H AND R/H VBVS REF B737-900 AMM 75-32-02/401. OPS AND LEAK CHECK GOOD, REF MIG 2C 40-0047164 FOR REMOVAL.