What was found
B757-53-3-0557 LH CREASE BEAM INNER CHORD HAS CORROSION ON UPPER SURFACE LEADING UNDER DRAIN PAN AT L-2 SILL,STA 735. (96-81) RE F ST. ENGINEERING N/R 0087573 FOUND CORROSION REMOVAL OUT OF LIMITS ON CABIN CREASE BEAM INNER CHORD AT STA 735-733 CBL 60,L=2.0,W=1.0,D=.045 IAW B757-300 SRM 53-30-15-A1 FIG. 101.REMOVED AND INSTALLED NEW P/N 143N8328U53 BETWEEN STA 666-754 LBL 60 IAW B757-300 SRM 51-40-02 AND DWG. 14 3N8322. WORK ACCOMPLISHED BY MECH V919728 AND INSPECTED V919676