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. // ACCOMPLISHED VSV SYSTEM TEST AMM 75-33-00, TEST FAIL. FOUND VSV SYSTEM/VSV CONTROL UNIT FAULT. (E2-4081KS) TSM 75-33-00 SET PER 4.A .(1) PENDING. ACCOMPLISHED 4A1 NO DEFECTS. ACCOMPLISHED TSM 75-33-00-810-808-A STEP 4.A.(2) RESISTANCE VALUES AREA -31.5 OHM, B-31.0 OHM CHECKS OK. PERFORMED TEST OF VSV SYSTEM REF AMM 75-33-00 TEST FAILED. REMOVED & INSTALLED VSV CONTROL UNIT REF AMM 75-33-51. PENDING LEAK TEST & OPS CHK. TEST OF VSV SYSTEM PER AMM 75-33-00 GOOD. LEAK/OPS TEST & LEAK CHECK GOOD, OK FOR SERVICE.