What was found
POSSIBLE FUEL LEAK ON RIGHT SIDE OF FUEL MANIFOLD. #2 ENGINE BURNS 20-50LBS/HR MORE THAN #1 ENGINE; FUEL USED SHOWS #2 ENGINE BURNING SLIGHTLY MORE THAN #1 ENGINE. HOWEVER IN 1:20 OF FLIGHT THE RIGHT MAIN TANK IS DOWN OVER 400 LBS FROM THE LEFT MAIN TANK 12/24- HANGAR REQUEST RECORD #3598 PHX 12/29<[01] OK TO CONTINUE PER MEL 28-6-01 SP1 SP3 SP28 #2 MAIN FUEL TANK INDICATION 370LBS OFF COMPARED TO STICK;[02] RT WING FUEL MANIFOLD LEAK FOUND TO BE PRESSURE FUEL CHECK VALVE NO LEAK NOTED BY MX<BR>REMOVED AND REPLACED RIGHT WING FUEL TANK COMPENSATOR AND TANK UNITS F1 F2 F5 F6 F8 AND F9 PER AMM 28-41-21.