As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SK152-21A KIT WAS INSTALLED DUE TO ERRONEOUS FUEL QUANTITY INDICATIONS. DURING REMOVAL OF OLD TRANSMITTERS. NOTICED THE FLOATS WERE WORN FROM CONTACT WITH THE INSIDE OF THE FUEL TANK AND ALSO AROUND PIVOT HOLE WHERE THEY ATTACH TO TRANSMITTERS. SUBMITTER STATED SHOULD BE ON INSPECTION INTERVAL SUCH AS 500 HOURS OR SO.