What was found
AVIONICS COMPARTMENT LT SIDE, BETWEEN FRAME 11 - 11A BESIDE NLG TORSION BOX LOWER AREA SUPPORT FITTING AROUND FASTENERS HOLES HAS CORROSION. REMOVED FASTENERS AT SUPPORT FITTING IAW SRM 51-40-21. REMOVED CORROSION ON NLG TORSION BOX LOWER IAW SRM 51-74-10. REMOVED FRAME 11A SECTION IAW SRM 51-40-21 & ATTACHED DWG & MEASURED AREA TR14218. ROTO PROBE & HFEC TORSION BOX IAW NTM 51-60-00, NO NOTED DEFECTS TR85900. PERFORMED SPOT FACE ON REWORK AREA IAW SRM 51-71-80. TREATED & PRIMED REWORK AREA IAW SRM 51-21-10. PAINTED REWORK AREA IAW SRM 51-75-10. REINSTALLED FRAME 11A SECTION IAW SRM 51-40-21. INSTALLED FASTENERS AT SUPPORT FITTING IAW SRM 51-40-21. APPLIED TOPCOAT ON FASTENERS IAW 51-75-10. COMPLIED WITH EA 6-5320-T0319789 PT 1 DATED SEP 15 2015. THIS REPAIR IS CLASSIFIED AS A CATEGORY B MAJOR REPAIR.