As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU GEN UNABLE TO CONNECT AT ENGINE SHUTDOWN. REPLACED APU GENERATOR AND FEEDER HARNESS ASSY. APU GENERATOR POWER FEEDER CABLES BURNED AND MELTED AT APU GENERATOR TERMINAL BLOCK. REPLACED FEEDER CABLE ASSY. OPS CHECKS GOOD ALL GEN OUTPUTS NORMAL AT RUN.