As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIPER PARTS CATALOG HAS NOT YET BEEN UPDATED TO REFLECT AMMETER REPLACEMENT IAW AD 86-17-01. PARTS SUPPLIERS ARE USING OLD FICHE TO SEND OUT OLD STYLE AMMETERS WHICH DO NOT COMPLY WITH PREVIOUSLY STATED AD. IN THE EVENT ONE OF THESE OLD STYLE AMMETERS IS INSTALLED, IT COULD CAUSE A POSSIBLE SHORT CIRCUIT AND/OR SMOKE AND FIRE IN THE COCKPIT. OLD STYLE PART NR 37337-00.