As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OP 15 MAINT CHECK THE AFT PRESSURE BULKHEAD ANGLE WAS CRACKED AT FASTENER TO L/E AND FASTENERS HAD TOOLING MARKS ABOVE LT DOOR JAMB FOR AFT AIRSTAIRS. BULKHEAD SKIN WAS NOT CRACKED UNDER ANGLE PER NDT PART L 51-00-3. REMOVED OLD PART AND MADE NEW PER M990016 DOUGLAS PRINT 9915562. INSTALLED PER SRM 51-30-02 AND SRM 51-30-5.