As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ENGINE DRIVEN FUEL PUMP PLUNGER STICKING - INVESTIGATION FOUND THAT THE PLUNGER WAS JAMMED BY A SLIVER OF ALUMINIUM ALLOY APPROXIMATELY 5MM (0.196IN) IN LENGTH - METAL SLIVER APPEARS TO BE A SECTION OF THE REAR COVER RESULTING FROM THE MACHINING OFTHE FUEL PUMP PLUNGER HOLE