What was found
AFT FUSELAGE FRAME AT STA 1681.8 BETWEEN STR 22L AND 23L THE UPPER FLANGE HAS A SPOT OF SURFACE CORROSION. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02. BLENDED AREA TO GIVE SMOOTH AND ROUNDED SURFACE. PERFORMED HFEC FOR CRACKS IAW EA NR 5310-131523. FABRICATED "J" REPAIR SECTION ON MAE TRAVELER T9/800397. LOCATED AND DRILLED "J" REPAIR SECTION. APPLIED TREAT AND PRIME IAW EA NR 5310-131523. ASSEMBLED ALL REPAIR PARTS AND PERFORMED COLD WORK HIGH INTER F ON END HOLE LOCATIONS 4 EACH. INSTALLED REPAIR PARTS IAW EA NR F-5310-131523. ACCOMPLISHED EA F-5310-131523.