12.4kb deletion generated by recombination between the FRT sites in the two progenitor insertions (PBac{WH}otuf02343 and P{XP}d01160). The deletion removes the 1.688 satellite repeats at 7F as well as part of otu and part of CG33181. A hybrid P+PBac{XP5.WH5} element is present at the site of the deletion.