What was found
REAR FUSELAGE FRAME 87-88, STR 16, RT HORIZ STAB CUTOUT SUPPORT BEAM INBD FACE CORRODED AT 1 EA LOCK FASTENER APPROX 1 SQ INCH. REMOVED CORROSION IAW SRM 51-74-10, FOUND TO BE WITH IN MFG TOLERANCES IAW DWG A53985426 AND DAN11304 NDT INSP IAW NTM 51-10-08 NO CRACKS. REPROTECTED AREA IAW SRM 51-21-10, PARA B AND 51-75-10 PARA C. INSTALLED NEW FASTENER IAW SRM 51-40-21, PARA 7B.