What was found
BS 500F RT FRAME IN FWD PIT, .500" HOLE HAS CRACK INDICATION NOTED IN FRAME AT 6 O'CLOCK POSITION, REF OPS 7318, FIG 11, CIRCLE NOTE 1, STR 20L-STR 21L. ACFT GROUNDED. REPAIRED FUSELAGE FRAME AT BS 500F, S-20R-S-21R IAW EA 400-53EA-15605, REV: NEW.