As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WING UPPER FUEL TANK AT ACCESS OPENING 634 AT HAS A MOUNT BRACKET (A/C SIDE) WITH ELONGATED HOLES AT THE FUEL CHECK FLAPPER VALVE, WING STA XORS 402, AFT AND INBD OF THE OPENING. REMOVED THE HINGE ASSEMBLY. 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. PART MARKED HINGE ASSEMBLY IAW GMM 7-0-1001.