What was found
CABIN STA 312-328 RBL 28 INTERCOSTAL CRACKED UPPER FLANGE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL P/N 141A5410U12 AT FS 312-328 RBL 28 IAW BAC DWG 141A5400 REV A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN STA 312-328 RBL 28 INTERCOSTAL CRACKED UPPER FLANGE. GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL P/N 141A5410U12 AT FS 312-328 RBL 28 IAW BAC DWG 141A5400 REV A.