As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MHV - PASSENGER CABIN INTERNAL STATION 484 LONGERON R-6 INTERCOSTAL CRACKED. REMOVED CRACK INTERCOSTAL AS REQUIRED TO FACILITATE FABRICATION OF REPLACEMENT PAR REF W/O A092-B03-W131 COPY ATTACHED INSTALLED REPLACEMENT AS REQUIRED PER DC9 SRM 51-30-5 AND 51-10-4 PAGE 1 AND 4A FIG 3A. (M)