As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, APU FAILED TO START 3 TIMES. BITE CHECK ECU FOUND GEN FILTER PRESS SW FAULT REMOVED AND REPLACED PR SW PER AMM 49-27-15 COND SAME 6821. REMOVED AND REPLACED ECU PER AMM 49-61-05 COND SAME 5979 REPL K617 AND K197 RELAY PER 767 WDM49-41-11. OPS CKS OK PER 767 AMM 49-11-00.