As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT MAIN FUEL LINE BECAME DISCONNECTED AT INLINE ELECTRIC FUEL PUMP QUICK DISCONNECT FITTING. QUICK DISCONNECT IS INSTALLED TO FACILITATE FUEL PUMP FILTER MAINTENANCE. FUEL SYSTEM SHOULD BE MODIFIED TO SYSTEM INSTALLED ON LATE MODEL DA-20 KATANAS.