As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS-ENG 1 CTL SYS FAULT. EEC 1 SHOWED 'VSV SYSTEM/VSV CONTROL UNIT (E1-4081KS) CLASS 1. REMOVED AND REPLACED #1 ENG VSV CONTROL UNIT PER AMM 75-33-51. OPS AND LEAK CHK OK. CONTROL, VARIAB OFF 43-7533-9-0001 09257 ON 43-7533-9-0001 15019