As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXISTING REPAIR DOUBLER INSTALLED HAS A MULTIPLE TOOLING MARK AT BS 377 TO BS 404 BETWEEN S-17L AND S-18L / EXISTING REPAIR DOUBLER AT BS 377 TO BS 404 BETWEEN S17L AND S18L WAS REPAIRED IAW ATS ER 20-02220 REV IR DATED 07APR20 AND EA 1-753-36799 REV IR.