Thrust recovery nozzle
In my A320 FCOM, in description of the walk around I found reference to "thrust recovery nozzle", which is located on LH side of the engine. The FCOM says this pertains only to PW engines (sic!)
I assume it's an error of some sort, perhaps copy+paste from A330 FCOM, or some such, as I have yet to see a PW engine on the '320...
However, I am still curious what this nozzle is and how it works... Anyone?