As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPEARS TO BE MIGRATING FROM THE RIGHT TO LEFT TANK. STARTED WITH 7.2 IN LEFT TANK 7.5 IN RIGHT, 0.3 IN CENTER. AT TOP OF CLIMB LH TANK 5.8 RIGHT FUEL TANK AT 5.3 CENTER AT 0.5. SEE LOG PG PICTURE. INSTALLED L/H AFT X FEED VALVE ACTUATOR IAW AMM TASK 28-22-12-404-288. ACCOMPLISHED TEST OF THE FORWARD AND AFT ENGINE FUEL CROSSFEED VALVES OPERATION REF AMM TASK 28-22-02-714-055 ALL INDICATIONS NORMAL