As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN INSPECTION OF THE ELEVATOR CABLES, AFT OF THE REAR PRESSURE BULKHEAD, THE ENGINEER DISCOVERED A CRACK IN THE NR 10 STRINGER OF THE AFT PRESSURE BULKHEAD. THIS AIRCRAFT HAS A CVR INSTALLED IAW STC 'SA-02-26' AND THE MOUNTING TRAY FOR THE CVR TIES INTO THE NR 10 STRINGER. THE CRACK IS APPROX 2" LONG AND LOCATED ON THE LT OUTBOARD SIDE.