As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - ENG 2 CTL SYS FAULT. PERFORMED TSM 75-33-00-810-808-A BETWEEN STEPS 4A(2)THRU(4)(C)1. CONTINUITY AND INSULATION RESISTANCE CHECK OK. PERF TSM 75-33-00-810-808-A1-4A(1) AND STEP 5 NR 2 ENGINE VSV CTL UNIT REQUIRES REPLACEMENT. REPLACED VSV CTL UNIT PER AMM 75-33-51-400-801-A. LEAK AND OPS CHECK DUE. LEAK AND OPS CHK GOOD PER AMM 71-00-00-700-827-A. OK FOR SVC.