crack or broken piano bridge

when a piano sounds funny, a lot of echo or resonance will be generated when activating the sustain pedal, or the tone will not stay strong which will become too mellow or become honky tonk , try to open the lower panel and check inside, you might find something that surprise you.

sometime these problems which mentioned above are caused by bridge problems.
it might split, cracked, or goes out of original position due to high tension compress , humidity changes,  poor adhesive, low quality material etc.