What was found
DURING TRANSIT CHECK IN NRT STATION, MAINTENANCE PERSONNEL DETECTED FUEL LEAK (2 DROPS/SEG.) OUT OF LIMITS AT CENTER TANK AT THE REAR SPAR IN RH WHEEL COMPARTMENT; AIRCRAFT RETURN TO MEXICO CITY IAW BOEING MESSAGE 4-4342867131 “AEROMEXICO WOULD LIKE TO FLY THE AIRCRAFT AS A REVENUE FLIGHT FROM TOKYO NARITA (NRT) TO ANCHORAGE, ALASKA (ANC) THEN ONTO MEXICO CITY, MEXICO (MEX) WITH AN EMPTY CENTER FUEL TANK”; AT MEXICO FUEL LEAK TANK WAS REPAIRED WITH SEALED I.A.W. AMM STANDAR REPAIR B-787-A-28-11-00-14A-663A-A PARAGRAPH 1.A. , ALL CORRECT.