What was found
DURING INSPECTION, FOUND AFT UTILITY FLOOR SUPPORT -Y1292 BETWEEN FR 66 AND FR 68 HAS CORROSION AROUND FASTENERS AND HOLES AT FR 68 SPLICE. REMOVED CORROSION IAW SRM 51-74-00. CHECK LIMIT L=3.0"W=2.0" D=0.030" FOUND OUT OF LIMIT IAW 53-00-14, FIG 102. REPLACED FLOOR BEAM P/N D5347217220300, BATCH 0001786216 IAW SRM 51-42-11 & DWG NR 17D53472000.