What was found
AT D-CHECK, RT 870 WING TO BODY FITTING BOTTLE PIN HOLE HAS LOSS OF PLATING AND PREVIOUS BURNISHING SPOTS. CHECKED LIMITS AT ALL AREAS. FOUND MATERIAL REMOVED AT 2 O' CLOCK POSITION AT 6 O'CLOCK AT, 7 O'CLOCK, 10 O'CLOCK AND 11 O'CLOCK. HFEC AREA OF BLEND OUTS. CRACK INDICATION AT 2 AND 6 O'CLOCK. BLENDED AREA AT 2 AND 6 O'CLOCK, HFEC, ACCOMPLISHED REPAIR OF 870 BORE PER SRM 53-40-1, FROM 4.25 TO 4.5. INSTALLED REPAIR SLEEVE AND BOTTLE PIN BUSHING PER SRM 53-40-1.