What was found
LARGE AREA OF CORROSION AT BS 320 APPROX, ON FRAME AND LOWER CHORD ANGLE, IN E-BAY FWD CRAWLWAY, RT SIDE BILGE AREA. LOWER NOSE CHORD CORRODED BEYOND LIMITS: REMOVED AND REPLACED LOWER RT NOSE CHORD ASSY PER B727 SRM 51-30-5, 51-30-2, AND 53-10-2 FIG 1. CUT OUT DAMAGED SECTION OF FRAME, 6" BY 6"; FABRICATED FILLER FROM 7075-T0, .050" BY 6" BY 6", PO NR 9004219 AND HEAT TREATED TO T6 HARDNESS PER FASI ENGINEERING REPORT NR 2-37153-801 REV A. FABRICATED FRAME SPLICE FROM 7075-T6, .050" BY 11.5" BY 5.5", PO NR 9004843. FABRICATION COMPLETED PER B727 SRM 53-10-2 FIG 1 AND 551-40-3 FIG 1. TREATED, PRIMED, AND INSTALLED REPAIR PARTS PER B727 SRM 51-10-2 AND 51-40-3 FIG 1.