What was found
CORROSION AT UPPER FUSELAGE UNDER VERTICAL FIN AREA BETWEEN VERTICAL STAB. FWD HINGE & AFT HINGE. OTBD S1L & 1R. REMOVED CORROSION AT UPPER FUSELAGE UNDER VERTICAL FIN AREA IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS INSP. ON REWORKED AREAS IAW NDT PART 4 51-00-00, PROCEDURE 3. MIN. THICKNESS 0.062'. EVALUATED REWORKED AREA ORG MAT 0.068 MAT REMAINING 0.062 MAT REMOVED 0.006 FOUND TO BE WITH IN LIMITS IAW SRM 53-00-01-1A-5. INSTALLED NEW FASTENERS REMOVED FOR ACCESS AT REWORKED AREA IAW SRM 51-40-02-0G-0, TREATED AND PRIMED REWORKED AREA IAW AMM 51-00-58-201 & AMM 51-21-72-370-802.