As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: RIGHT FUEL TANK SHOWING 500 TO 600 POUNDS LESS THAN LEFT TANK ON DESCENT. FUEL SHOWED NORMAL AGAIN WHILE LEVELED AROUND 4,000 FEET. CHECKED AND CONFIRMED NUMBER 2 MAIN TANK FUEL QUANTITY INOPERATIVE. REPEAT WRITE UP. (OPEN).