As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-17 CHECK A 1 INCH CRACK WAS FOUND ON BS 178 BULKHEAD WEB AT RBL 5.7, WL 212.5-213.5. MAINTENANCE STOP DRILLED CRACK AND PERFORMED A HFEC INSPECTION TO VERIFY CRACK IS CONTAINED; FABRICATED A REPAIR DOUBLER AND FILLER; INSTALLED REPAIR PART IAW B737-300 SRM 53-10-08 PG 286.