What was found
NOSE SECTION INTERIOR HORIZ WALKWAY BEAM LEFT SIDE WEB SUPPORT ANGLE ("C" CHANNEL) CORRODED AT BS 312. REMOVED CORROSION, MATERIAL REMOVAL EXCEEDED LIMITS PER B727 SRM 53-10-1 FIG 1. REMOVED "C" CHANNEL, FABRICATED NEW CHANNEL FROM AND 10137-3001 7075-T6 EXTRUSION, 29.5" LONG, PO NR 7212319, PER B727 SRM 53-10-2 FIG 1 AND 51-20-1. TREATED, PRIMED, AND INSTALLED NEW "C" CHANNEL PER B727 SRM 51-10-2 AND 51-30-2.