What was found
***CORROSION*** ON AFT SPAR AROUND LOWER BONDING JUMPER AT RIGHT WING BOOST PUMP TANK2 AFT. MARKED / ACESSED HYDRAULIC LINES AS REQUIRED TO BLEND CORROSION ON RT WING AFT SEAL AT BOOST PUMP TANK 2 AFT; IAW AMM 20-10-51-000-801. BLENDED CORROSION; FINAL DIMENSION IS 3.8' X 2.6' X .068' DEEP; REMAINING THICKNESS IS .607' WHICH IS WITHIN ALLOWABLE LIMITS PER BOEING DWG 112A1101 AND SRM 57-20-10-1A-3; FIAR PEENED BLENDED AREA AND RESTORED FINISH PER SOPM 20-10-03; REINSTALLED HYDRAULIC LINES AND PERFORMED SATISFACTORY LEAK CHECK. NO LEAKS NOTED IAW AMM 20-10-51-400-804