As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSPECTION OF FUEL TANK AREA, THE AME PLACED FINGER PRESSURE ON CENTRE PORTION OF PLUG WHICH CAUSED THE RUBBER TO STRETCH AND A FATIGUE LINE APPEARED ON THE BOND LINE OF THE CAP END TO CYLINDRICAL SECTION OF PLUG. A SECOND PLUG WAS FOUND IN A SIMILAR CONDITION & A FLEET WIDE INSPECTION WAS INSTITUTED.