iOS Application crashes with EXC_BAD_ACCESS

#0  0x01275a63 in objc_msgSend
#1  0x0586c860 in ??
#2  0x0037ef1d in -[UINavigationController setDisappearingViewController:]
#3  0x0037c4f6 in -[UINavigationController _clearLastOperation]
#4  0x0037ce3f in -[UINavigationController navigationTransitionView:didEndTransition:fromView:toView:]
#5  0x00509e23 in -[UINavigationTransitionView _notifyDelegateTransitionDidStopWithContext:]
#6  0x0050afd2 in -[UINavigationTransitionView _cleanupTransition]
#7  0x002f6665 in -[UIViewAnimationState sendDelegateAnimationDidStop:finished:]
#8  0x002f64f7 in -[UIViewAnimationState animationDidStop:finished:]
#9  0x01ffa6cb in run_animation_callbacks
#10 0x01ffa589 in CA::timer_callback
#11 0x010f4fe3 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
#12 0x010f6594 in __CFRunLoopDoTimer
#13 0x01052cc9 in __CFRunLoopRun
#14 0x01052240 in CFRunLoopRunSpecific
#15 0x01052161 in CFRunLoopRunInMode
#16 0x01a48268 in GSEventRunModal
#17 0x01a4832d in GSEventRun
#18 0x002d442e in UIApplicationMain
#19 0x00002918 in main at main.m:14

 - (void)mapView:(MKMapView *)aMapView annotationView:(MKAnnotationView *)view calloutAccessoryControlTapped:(UIControl *)control {
	for(MyAnnotation* a in mapView.annotations) { // searching for chosen annotation
		if(view.annotation == a) {
			// set array from plist
			NSString *path = [[NSBundle mainBundle] pathForResource:@"Annotations" ofType:@"plist"];
			NSMutableArray* anns = [[NSMutableArray alloc] initWithContentsOfFile:path];

			AnnotationDetailViewController *annotationDetailViewController = [[AnnotationDetailViewController alloc] initWithNibName:@"AnnotationDetailViewController" bundle:nil];
			annotationDetailViewController.ann = [anns objectAtIndex:[a.annId intValue]];
			
			[self.navigationController pushViewController:annotationDetailViewController animated:YES];
			[B][annotationDetailViewController release];[/B]
			[anns release];
		}
	}
}