What was found
LWR EXTERIOR FUSELAGE INSIDE DELTA BEAM BS 740 LBL 5 TO RBL 5 WL 149, FWD LOWER CHORD HAS CORROSION AROUND FASTENERS. REMOVED CORROSION FROM TEE ANGLE STA 740 LBL 5 TO RBL 5, FOUND OUT OF LIMITS. REMOVED TEE ANGLE STA 740, FABRICATED NEW TEE ANGLE TREATED AND PRIMED. INSTALLED NEW TEE ANGLE STA 740 TORQUED BOLTS AT STS 740. INSTALLED WEB AT STA 743 TO 788 BL 0 AND INSTALLED COAXIAL DME CABLE STA 740-800 REF SRM 51-30-2 PG 4/5 FASTENERS, 51-10-6 PG 1-4 CORROSION, 53-10-1 PG 2 LIMITS, 51-10-2 PG 1-7. MAJOR REPAIR.