Mark the Spot: Tell AT&T where the iPhone sucks
crunchgear.com
crunchgear.com
And, 1 incident amounts to nothing. As a cell network, you want lots and lots of data before you add a new tower. The iPhone app is unlikely to give you that data. But your logfile give it to you, and have for many years already.
This is like a city adding push buttons at signaled pedestrian crossings without connecting them: a band-aid, created to make them look active witout fixing anything.