As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPORTS OF #2 ENGINE START VALVE IS SLOW TO CLOSE OR STICKING PRI: 2ETOPS SIGNIFICANT SYSTEM. GROUNDED - YES. REMOVED & REPLACED #2 ENGINE START VALVE REF AMM 80-11-03. PERFORMED START VALVE TEST IAW POWER PLANT TEST REFERENCE TABLE REF AMM 71-00-00. OPS TEST GOOD.