A B747-400 WAS DISPATCHED IN NON COMPLIANCE WITH A #2 TANK AFT BOOST PUMP DEFERRED BUT SPECIAL PROCS AND REMARKS NOT ACCOMPLISHED.

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ACR FLT XX OF JUN/MON/00 WAS OPERATED DETROIT (DTW) TO TOKYO (NRT). SCHEDULED FLT TIME WAS 12 HRS 50 MINS BLOCK TO BLOCK. DUE TO THE LENGTH OF THE FLT; OUR COMPANY USES 2 COCKPIT CREWS; 2 CAPTS AND 2 FO'S. CREW CHANGE THIS FLT WAS NEAR NOME; ALASKA. WE WERE DISPATCHED WITH THE #2 MAIN TANK AFT FUEL BOOST PUMP INOP. ACR DISPATCH AND BOTH CAPTS AGREED ON RESTRS IN MEL; PRIMARY OPERATIONAL RESTR WAS TO LAND WITH AT LEAST 8610 LBS OF FUEL IN EACH OF THE 4 MAIN TANKS. PASSING 170E; ACR TOKYO DISPATCH ASSUMED OPERATIONAL CTL OF THE FLT. SOMEWHAT LATER WE WERE RERELEASED FROM SHORT RELEASE ON TO NRT WITH FUEL ONBOARD. ABEAM SAPPORO JAPAN WITH APPROX 1 HR 10 MINS FLT TIME REMAINING; TOKYO DISPATCH ADVISED OF ADDITIONAL RESTR -- THE 8610 LBS OF FUEL IN EACH MAIN TANK IS TO BE CONSIDERED UNUSABLE PER THE MEL. IT IS NOW TOO LATE TO COMPLY WITH THIS RESTR. WE CONTINUE ON TO NRT; LAND IN VFR; BLOCK IN WITH FUEL REMAINING OF 8600/8700/8600/8600 LBS (34500 LBS TOTAL). THE MEL NOTE OF 34440 LBS CONSIDERED UNUSABLE WAS MISSED BY ALL 4 COCKPIT CREW; DISPATCH; NRT DISPATCH; AND PLANNING. THE ITEM WAS CAUGHT BY THE NRT DISPATCHER PLANNING THE NEXT FLT OF THIS ACFT.