A B767-300 IN CRUISE AT FL350 NOTICED A FUEL IMBAL BTWN THE L AND R TANKS. FUEL FLOWS EQUAL; NO VISIBLE FUEL LEAK. ON GND; MAINT FOUND ENG LEAK LOCATED NEAR INPUT TO FUEL FLOW XMITTER.

Report 1 | Narrative: ENRTE BTWN ATL AND LAS; CREW NOTICED A FUEL IMBAL BTWN L AND R TANKS. FUEL WAS BALANCED BY XFEEDING. BECAUSE THE SIT RECURRED; A FUEL LEAK WAS SUSPECTED BUT WAS NOT CONFIRMABLE BECAUSE ENG FUEL FLOWS WERE EQUAL AND NO FUEL WAS VISIBLY LEAKING FROM ENG OR WING. THE FLT ARRIVED AT DEST WITH ADEQUATE FUEL; AND MAINT THEN CONFIRMED A FUEL LEAK IN THE ENG PRIOR TO THE FUEL FLOW XMITTER.

Report 1 | Synopsis: A B767-300 IN CRUISE AT FL350 NOTICED A FUEL IMBAL BTWN THE L AND R TANKS. FUEL FLOWS EQUAL; NO VISIBLE FUEL LEAK. ON GND; MAINT FOUND ENG LEAK LOCATED NEAR INPUT TO FUEL FLOW XMITTER.