As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNWANTED FUEL TRANSFER FROM LT MAIN TO CTR AT A RATE OF 800 LBS HOUR. DUPLICATED TRANSFER ON GROUND AT A RATE OF 100 LBS PER 10 MIN FROM LT MAIN TO CTR FUEL TANK, COULD NOT DUPLICATE. R & R LT HAND DEFUEL VLV & VLV ACTUATOR. RIGGED ADAPTER PLATE IAW MM.