As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
During an Hck in ATL and while accomplishing an inspection, a crack was found in the aft pressure bulkhead doorjamblower sill channel. The crack is in the upper flange of the channel and extends approximately .75" through a screw hole. Repaired per EA 99-190869.