As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, AFT PRESS BULKHEAD BS 1183 LBL 36.4 VERTICAL BEAM CRACK INDICATION WL 149 APPROX IS ABOUT 1 INCH LONG NDT, CONFIRMED. STOP DRILLED CRACK IAW B-727 SRM 51-10-1. AREA HFEC INSPECTED AND VERIFIED CRACKS END IN STOP DRILL HOLES. INSTALLED S/B REPAIR PARTS IAW S/B 727-53-0192 REV 1 FIG 2. P/N 65C34488-2 PO 312649, 65C34488-3 PO 312660.