As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECURRING PROBLEMS WITH FUEL QTY SENDING UNITS OF THE LT AND RT WING FUEL TANKS. 5 OCCURRENCE'S THIS FISCAL YEAR OF FAILED UNITS. FLOAT TYPE, ALL WORK PERFORMED IN REF TO 28-40-00, REV 18. THE FLEET OF 8 AIRCRAFT ACROSS THE COUNTRY HAVE FREQUENT PROBLEMS WITH FUEL QUANTITY SENDING UNITS. DESCRIPTION'S OF MALFUNCTIONS ARE ALL SIMILAR, "OPEN CIRCUIT" AT VARIOUS POINTS OF FLOAT MOVEMENT, DOA OUT OF THE BOX. ALL PARTS ARE NEW AND SUPPLIED BY MFG PARTS.