As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
During H ck in ATL, two cracks were found in the horizontal pressure panel at station 105 at x=25 and x=27. The crack at x=25 is typical of the cracks repaired in the dc-9 trm, 53-10-02 except this crack is 2.4" long. The crack at station x=27 is 1/2" long. Material 0.040" 2024-t3 Al. Repaired per EA 99-181213.