As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, APU START SWITCH SPRING DEFECTIVE. WILL NOT SPRING BACK TO "ON" FROM "START" OTHERWISE OPERATES NORMAL. REPLACED APU CONTROL PANEL PER AMM 49-41-81-004-001. INSTALLED APU CONTROL AMM49-41-81-404-007. OPS CHECK GOOD SECURITY CONDITION GOOD.