Some gargoyle-only pathways (those you traverse by flying) don't work properly. Here is a list of the ones I'm aware of:

1013, 3836, 4
700, 3454, 66
700, 3499 ~ 3534, 75
700, 3541 ~ 3548, 75
829, 3741, 18
1030, 3666, 61
1051, 3341, 19
1050, 3067, 99
564, 3066, 97