What was found
ETOPS - DURING T/C 330-72-HWI-01-INSTALL, INSTALLATION OF POWERPLANT STEP 41 TEST OF FADEC SYSTEM REVEALED VSV CONTROL UNIT CLASS 1 FAULT ON EEC CHANNELS A AND B. REMOVED AND REPLACED #1 ENG VSV CONTROL UNIT PER AMM 73-33-51, CONDITION SAME, STILL FAULTING ON BOTH CHANNELS. FOUND WIRE # 1N008R20 SHORTING TO GND. ROUTED WIRE # 1M008R20 PER AMM 70-71-40-300-801-A. TERMINATED WIRE # 1M008R20 AND 1M008B20 AT CONNECTORS 4000KS_JA4 AND 3009VC1 PER AMM 70-71-20. CONTINUITY CHECK GOOD AND NO SHORTS TO GND. PERFORMED HPR AND IDLE CHECK @ ENG 1 OPS CHECK GOOD OK FOR SERVICE.