What was found
DISCREPANCY: REFERENCE N/R# 2513N198 AFT CABIN, LONGITUDINAL FLOORBEAM, YL 292, FR67+ 1 O" -FR69 TOP FLANGE UPR SURFACE SCRIBE LINES AND SURFACE AROUND FASTENERS CORRODED. CORRECTIVE ACTION: REMOVED AND REPLACED FLOORBEAM AT FR67-69 YL 292 IAW SRM 51-72-11-911 -001.