As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN SELECTING RIGHT POSITION GAUGE WILL NOT ALWAYS RETURN TO THE PREVIOUS GAUGE READING. IT MAY BE 100 LBS. LESS THEN IT MAY BE 50 LBS. LESS. SOMETIMES IT WILL SLOWLY CREEP BACK TO THE PREVIOUS FUEL INDICATION. IT CAUSES THE GAUGE TO READ 300 LBS. LOW. SENT TO MASCO FOR INSPECTION AND REPAIR.