As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
During H-ck at ATL base maintenance, two cracks were found in the station 756 bulkhead. The cracks are located in the upper ends of the verticle stiffeners at x=-11 (.070)"(p/n 9958212-10) and x=-22 (1.0) "(p/n 9958212-121). Material 2014-t6511.