As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(10) MINUTES INTO A TOUR FLIGHT, THE PILOT NOTICED LOW VOLTAGE AND LOW FUEL PRESSURE, WITH NO (GEN) LIGHT ILLUMINATED. THE PILOT RETURNED TO THE HELIPORT. UPON INSPECTION, IT WAS FOUND THAT THE STARTER GENERATOR HAD A BURNING SMELL TO IT. THE STARTER GENERATOR WAS CHANGED AND THE AIRCRAFT OPERATED NORMALLY. IT APPEARS AT LEAST ONE SET OF BRUSHES WERE ARCING. (K)