As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION PER S/B 737-53A1173, PRESSURE BULKHEAD BS 178 RIGHT SIDE LATERAL CHORD CRACKED AT WL 207. PRESSURE BULKHEAD BS 178 RIGHT LATERAL CHORD REPLACED FROM WL 230 TO 188.5 DUE TO CRACK RT SIDE WEB REPLACED FROM RBL 16 TO RBL 29, WORK ACCOMPLISHED IAW S/B 737-53A1173 REV 3, SECTION III PART XI PARA I/K FIG 71 AND 72. (M)