What was found
NR0316 AND 024, CORROSION (C53-224-05) ON THE BS 740 LWR CHORD RBL 15 TO 20 ON VERTICAL FLANGE. *S/D* REMOVED LOWER CHORD, CORROSION WAS OUT OF LIMITS, LOCATED NEW LOWER CHORD, DRILLED, FABRICATED SPLICES, TREATED AND INSTALLED ALL PARTS IAW FEDEX EA 7-5710-28401.