What was found
LCQ - MAJOR REPAIR - DURING C-09 CHECK INTERGRANULAR CORROSION WAS FOUND ON BEEF-UP STRAP INSIDE STRINGER 29 L/H, BS 1434, AFT CARGO COMPARTMENT. MAINTENANCE REMOVED CORRODED STRAP INSIDE STRINGER 29 L/H, BS 1434; FABRICATED A NEW REPLACEMENT STRAP; INSTALLED REPAIR PART IAW B757-200 SRM 51-40-02, PG. 7-8.