As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL IMBALANCE DEVELOPED RAPIDLY BY THE TIME WE REACHED CRUISE ALTITUDE OF 34;000. OVER 700# LESS IN LEFT MAIN FUEL TANK THAN RIGHT TANK. AND FUEL TOTAL WAS DECREASING MORE RAPIDLY IN LEFT TANK. ; / [01] OK TO CLOSE PNL 532AB PER MPM 56-04-02; [02] PERFORMED FQIS BITE PROCEDURE PER FIM 28-41 TASK 801. LT COMPENSATOR FAULTED. REMOVED & REPLACED LT FUEL TANK COMPENSATOR PER AMM 28-41-21. OPS & LEAK CHECKS GOOD.