What was found
LT WING INBD MAIN FLAP LOWER SURFACE LOWER SKIN PANEL HAS SEVERAL BULGING AREAS , APPROX 33" FROM THE INBD END DOT 129-054(<P>BLENDED THE CORROSION ON THE "T" CHORD IAW B767-300 SRM 51-10-02. UPON THE EVALUATION THE LOWEST REMAINING MATERIAL IS 0.062" AND WAS OUT OUF LIMITS IAW B767-300-SRM 57-53-02. REMOVED AND REPLACED THE CORRODED "T" CHORD ON THE LH WING MAIN IB FLAP IAW B767-300 SRM 51-40-02-0G-0</P>)