As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN INTERCOSTAL BETWEEN STA 312-328 LBL 45' CRACKED<[01] REMOVED MAIN CABIN INTERCOSTAL BETWEEN STA 312-328 LBL 45'; LOCATED AND DRILLED NEW INTERCOSTAL; AND INSTALLED INTERCOSTAL. REF SRM 51-40-02-0G-0 AND DWG #141A5400;[02] (RII) VERIFIED STEP 1