As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PUSHBACK FLAG INST LIGHT ILLUMINATED ON MAIN WARNING PANEL WITH HDG FLAG ON FIRST OFFICER'S HSI. SWITCHED TO CAPTAIN'S SIDE, STILL NO GOOD. FOUND HSI CONNECTOR DIRTY. CLEANED CONNECTOR. INSPECTED HSI WIRING GOOD IAW A300 AMM CHAPTER 34-21-20. GROUND OPERATION NORMAL IAW A300 AMM CHAPTER 34-21-00.