What was found
(SUPPORT TASK) MAIN CABIN CREASE BEAM INNER CHORD CORRODED AT AP PROX STA 755 RBL60. TRANSCRIBED FROM HAECO GSO NRC# 9284229 REMOVED/BLENDED CORROSION, FOUND TO BE OUT OF LIMITS PER B757-20 ON CUT EDGES AND FASTENER HOLES, ALODINED, PRIMED AND APPLIED CI 0 SRM 53-30-13. REMOVED DAMAGED CREASE BEAM FROM STA 755 TO STA C 3-35 AND 3-38 IAW ECRA 5300-01416 REV-, BAC DWG 143N5520 REV G 792 RBL60. RECEIVED NEW CHORD, NEW STRAP SPLICE, CHANNEL SPLICE AND B757-200 SRM 51-40-02. HAECO GSO MECH V935285 INSP QC453 FOR SPLICE REPAIR. FABBED, LOCATED, DRILLED, PERFORMED A HFEC