Acoustic treatment panel including hot-air channels and at least one stabilising chamber

The nacelle has a lip (34) that is prolonged by an interior pipe (36) forming an air intake part. A front frame (32) delimits the lip, and an annular pipe (40) is utilized for circulation of hot air. An acoustic treatment panel (30) includes a set of stabilization chambers (62, 62'), and the annular pipe is arranged with a section above a set of channels. The chambers are extended on part of circumference of the nacelle and in communication with the channels.