As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY WAS FOUND ON PRE-FLIGHT THAT LEFT HAND FUEL GAUGE READING WAS ZERO WHEN TANK WAS FULL OF FUEL. REMOVED TANK TRANSMITTER AND FOUND FLOAT MISSING FROM ARM OF TRANSMITTER. RETRIEVED FLOAT FROM TANK, FOUND CONDITION OF FLOAT OK. RE-ATTACHED WITH EXISTING WASHERS, INSTALLED, AND SYSTEM CHECKED OK.