What was found
LEFT WING FUEL TANK FUEL FLAPPER VALVE AT XORS 402; 534 AT ACCESS OPENING; HAD ELONGATED MOUNT HOLES (A/C SIDE) AT THE ATTACH BRACKET. REMOVED THE FLAPPER DOOR AND HINGE ASSEMBLY IAW SRM 51-31-01, VOL II. FABRICATED A NEW HINGE ASSEMBLY AND INSTALLED THE NEW HINGE ASSEMBLY IAW DWG ARB 2369; REV "C" AND SRM 51-33-01;VOL II. ALODINED AND PRIMED IAW SRM 51-21-01; VOL II. RE-INSTALLED THE FLAPPER DOOR IAW SRM 51-31-01; VOL II. PART MARKED HINGE ASSEMBLY IAW GMM 7-0-1001.