As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPAIR CRACKS IN LEFT AND RIGHT LOWER SLOT SEALS. THE LOWER SLOT SEALS ARE MADE FROM THE SAME MATERIAL AS THE UPPER SLOT SEALS BUT ARE NOT COVERED BY THE 747 SRM. THIS DOCUMENT ALLOWS WELDING OF THE LOWER SLOT SEAL ASSEMBLIES PROVIDED THE REPAIR IS NOT IN THE AREA OF THE HONEYCOMB SECTIONS. THE LOWER SLOT SEALS ARE SECONDARY STRUCTURE.