Oracle 18c

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create table serv_item (serv_item_id number, status varchar2(1));

create or replace type t45 is table of number;
insert into serv_item select level , chr(64 + level) from dual connect by level <= 5;
5 rows affected

create or replace procedure p_aa(serv in t45)
is
  aa serv_item%rowtype;
begin
  for i in 1..serv.count()
  loop
    select a.* into aa from serv_item a where a.serv_item_id = serv(i);
    dbms_output.put_line('Serv item   '||aa.serv_item_id||'      '||'status     '||aa.status);
  end loop;
end;
/
declare
  cursor c1 is select serv_item_id from serv_item;
    n number:=0;
    v t45 := t45();
    x number;
begin
  open c1;
  loop
    fetch c1 into x;
    exit when c1%notfound;
    n:=n+1;
    v.extend();
    v(n) := x;
  end loop;
  close c1;
  p_aa(v);
end;
/
1 rows affected

dbms_output:
Serv item   1      status     A
Serv item   2      status     B
Serv item   3      status     C
Serv item   4      status     D
Serv item   5      status     E

declare
    v t45;
begin
  select serv_item_id 
  bulk collect into v
  from serv_item;
  p_aa(v);
end;
/
1 rows affected

dbms_output:
Serv item   1      status     A
Serv item   2      status     B
Serv item   3      status     C
Serv item   4      status     D
Serv item   5      status     E