What was found
SUPPORT TASK: MAIN CABIN CREASE BEAM INNER CHORD CORRODED AT APP ROX STA 742 RBL60. TRANSCRIBED FROM HAECO GSO NRC# 9284230 REMOVED/BLENDED CORROSION. FOUND TO BE 100% OUT OF LIMITS PER B7 INSTALLED NEW CREASE BEAM IAW B757-200 SRM 51-40-02. REMOVED DOT 57-200 SRM 53-30-15-1A-1. REMOVED CREASE BEAM IAW B757-200 SRM 5 : X154. TRANSCRIBED FROM HAECO NR 9284230. HAECO GSO MECH V93252 1-40-02. RECEIVED, LOCATED AND DRILLED NEW CREASE BEAM PART # 14 55 AND INSP QC453. 3N8328054 IAW BAC DWG 143N8322 REV:K AND B757-200 SRM 51-40-05.