There is an ATC recording where the pilots are cleared to land. In the background is an alarm going off. The video is on YouTube and called PIA 8303: Final Flight RT calls before crash.
A reviewer claimed that this was a ‘gear-up’ alarm. I don’t know if that is true, but there is a clear audible alarm while the pilot acknowledges the clearance. There was some confusion with the communication throughout the approach and final attempted landing, as well as the go-around. Very interesting listening…