As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REMOVAL OF FUEL CELL TO RIG RUDDER CABLES, NOTED THE INTERNAL BAFFLE SPOT WELDS WERE CRACKING THROUGH TO THE TANK OUTER SKIN. LEAKS WERE DETECTED AND REPAIRED. THERE ARE NO PROVISIONS TO INSPECT THESE WELDS WITHOUT TANK REMOVAL. IF THE CONDITION GOES UNDETECTED, FIRE AND/OR DEATH CAN RESULT. SUBMITTER STATED A MANDATORY INSPECTION SHOULD BE ACCOMPLISHED AS SOON AS POSSIBLE AND AT INTERVALS THEREAFTER.