5ac]Favoured a tap inside as protection from fire.[7]
P??????
19ac]Musical tenor quits? Could be me.[3,7]
?A?/S??????
[I think it's CAT/S, ie-musical. If it's CAT SCANNER could you explain the rest?].
5d. With top of patella dislocated, I tap and prod and it's treated (10) P---A---S-. [podiatrist?].
17d. Lady in charge entering northern Italian city (8) -E---I-A.