As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS AFTER TAKE OFF IN CLIMB, RIGHT FUEL QUANTITY DROPPED 700 POUNDS LOWER THAN LEFT QUANTITY WITH FUEL IN CENTER TANK. REMAINED 700 LOWER FOR BALANCE OF FLIGHT. MAINTENANCE ACCOMPLISHED ADJ/TESTS OF FUEL QTY IAW AMM 28-41-00. OPS CKS OK. UNABLE TO DUPLICATE. NO HISTORY.