Patent ID: 7762086

Claim:
An exhaust nozzle for a gas turbine engine comprising: an outer cowl defined about an axis; a cowl interface ring attached to said outer cowl, said cowl interface ring defined about said axis; an acoustic nozzle defined about said axis to receive an engine exhaust; an acoustic nozzle interface ring attached to said acoustic nozzle, said acoustic nozzle interface ring defined about said axis, said acoustic nozzle interface ring attachable to said cowl interface ring; and a removable nozzle section defined about said axis, said removable nozzle section attachable to said acoustic nozzle interface ring and said cowl interface ring to receive said cowl interface ring at least partially between said nozzle interface ring and said removable nozzle section, said cowl interface ring and said acoustic nozzle interface ring includes a first row of apertures and a second row of apertures directed in a radial direction relative to said axis.