As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS REPORTED THAT FUEL QUANTITY INDICATION BECAME ERRATIC IN-FLIGHT. AFTER TROUBLESHOOTING AND PINPOINTING PROBLEM TO BE AUXILIARY FUEL TANK PROBE, REMOVAL OF PROBE REVEALED THAT BARREL WAS CRACKED THE FULL CIRCUMFERENCE. CAUSE: EFFECT OF FUEL SLOSHING ON LONG LENGTH OF PROBE. RECOMMEND: VISUAL INSPECTION AT 5,000-HOUR INITIAL INTERVAL AND RECURRENT AROUND 2,500 HOURS.