As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE ENGINE WAS DISASSEMBLIED AND INSPECTED BY GARRETT AVIATION SERVICES IN AUGUSTA, GA. THEY FOUND THAT THE SCAVANGE PUMP GEAR SHAFT HAD SHEARED AND THAT THERE WAS A SLIGHT BINDING IN THE SCAVANGE PUMP WHEN ROTATED BY HAND. THE PUMP WAS DISASSEMBLIED AND INSPECTED AND NO APPARENT DAMAGE WAS FOUND, BUT THE PUMP ROTORS WERE REPLACED AS A PRECAUTIONARY MEASURE.