As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CRACK WAS FOUND IN THE AFT BULKHEAD VERTICAL BEAM LBL 36.83 (LT/RT). THE SUSPECT CAUSE WAS THE RESULT OF FATIGUE THAT WAS CAUSED BY PRESSURIZED FLIGHTS. SUBMITTER RECOMMENDATION: THERE SHOULD BE A LIMITED TIME TO INSTALL THE PREVENTIVE MODIFICATION PER SB B727-53-0192.