As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE BATON OR TOGGLE OF THE ELEC FUEL PUMP SWITCH BROKE OFF IN FLIGHT WHEN THE PILOT ATTEMPTED TO SWITCH IT ON. THE SWITCH FAILED IN THE OFF POSITION. THANKFULLY, THE ENG DRIVEN FUEL PUMP CONTINUED TO RUN & THE ACFT RETURNED TO HOME BASE SAFELY.