diff --git a/tests/bugs/gh_6709_test.py b/tests/bugs/gh_6709_test.py
index e088050d..2e4baf78 100644
--- a/tests/bugs/gh_6709_test.py
+++ b/tests/bugs/gh_6709_test.py
@@ -5,74 +5,54 @@ ID:          issue-6709
 ISSUE:       6709
 TITLE:       gbak discards replica mode
 DESCRIPTION:
+    https://github.com/FirebirdSQL/firebird/issues/6709
+    Confirmed bug on 4.0.0.2353: 'replica' flag was not preserved after restoring DB.
+    Checked on: 4.0.1.2624, 5.0.0.244 -- all OK.
 JIRA:        CORE-6478
 FBTEST:      bugs.gh_6709
+NOTES:
+    [29.06.2022] pzotov
+    Checked on 4.0.1.2692, 5.0.0.509. Re-check reproducing of problem on 4.0.0.2353.
 """
 
+import locale
 import pytest
 from firebird.qa import *
+from pathlib import Path
+from firebird.driver import ReplicaMode
 
 db = db_factory()
 
+tmp_fbk = temp_file( filename = 'tmp_gh_6709.fbk')
+tmp_res = db_factory(filename='tmp_gh_6709.tmp')
+
 act = python_act('db', substitutions=[('[ \t]+', ' ')])
 
-expected_stdout = """
-    Result of gfix -replica read_only:       READ-ONLY
-    Result of backup/restore for read_only:  READ-ONLY
-    Result of gfix -replica read_write:      READ-WRITE
-    Result of backup/restore for read_write: READ-WRITE
+chk_sql = """
+    set heading off;
+    select rdb$get_context('SYSTEM', 'REPLICA_MODE') as "gfix -repl %(r_mode)s"
+    from rdb$database r
+    ;
 """
 
-@pytest.mark.skip('FIXME: Not IMPLEMENTED')
 @pytest.mark.version('>=4.0')
-def test_1(act: Action):
-    pytest.fail("Not IMPLEMENTED")
 
-# test_script_1
-#---
-#
-#  import os
-#  import shutil
-#  import subprocess
-#
-#  os.environ["ISC_USER"] = user_name
-#  os.environ["ISC_PASSWORD"] = user_password
-#
-#  this_fdb=db_conn.database_name
-#  db_conn.close()
-#
-#  #--------------------------------------------
-#
-#  def cleanup( f_names_list ):
-#      global os
-#      for i in range(len( f_names_list )):
-#         if type(f_names_list[i]) == file:
-#            del_name = f_names_list[i].name
-#         elif type(f_names_list[i]) == str:
-#            del_name = f_names_list[i]
-#         else:
-#            print('Unrecognized type of element:', f_names_list[i], ' - can not be treated as file.')
-#            print('type(f_names_list[i])=',type(f_names_list[i]))
-#            del_name = None
-#
-#         if del_name and os.path.isfile( del_name ):
-#             os.remove( del_name )
-#
-#  #--------------------------------------------
-#
-#  test_fdb=os.path.join(context['temp_directory'],'tmp_gh_6709.source.fdb')
-#  test_fbk=os.path.join(context['temp_directory'],'tmp_gh_6709.fbk')
-#  test_res=os.path.join(context['temp_directory'],'tmp_gh_6709.restored')
-#
-#  for r_mode in ('read_only', 'read_write'):
-#      cleanup( (test_fdb, test_res) )
-#      shutil.copy2( this_fdb, test_fdb )
-#      runProgram('gfix', [ 'localhost:' + test_fdb, '-replica', r_mode ] )
-#      runProgram('isql', [ 'localhost:' + test_fdb ], '''set list on; select rdb$get_context('SYSTEM', 'REPLICA_MODE') as "Result of gfix -replica %(r_mode)s:" from rdb$database;''' % locals() )
-#      runProgram('gbak', [ '-b', 'localhost:' + test_fdb, test_fbk ] )
-#      runProgram('gbak', [ '-c', '-m', test_fbk, 'localhost:' + test_res ] )
-#      runProgram('isql', [ 'localhost:' + test_res ], '''set list on; select rdb$get_context('SYSTEM', 'REPLICA_MODE') as "Result of backup/restore for %(r_mode)s:" from rdb$database;''' % locals() )
-#
-#  cleanup( (test_fdb, test_fbk, test_res) )
-#
-#---
+def test_1(act: Action, tmp_fbk: Path, tmp_res: Database, capsys):
+
+    for r_mode in ('read_only', 'read_write', 'none'):
+        # -----------------------------------------------------
+        act.gfix(switches=['-replica', r_mode, act.db.dsn], io_enc = locale.getpreferredencoding())
+        act.expected_stdout = r_mode.upper().replace('_','-') if r_mode != 'none' else '<null>'
+        act.isql(switches=['-q'], input = chk_sql % locals())
+        assert act.clean_stdout == act.clean_expected_stdout
+        act.reset()
+        # -----------------------------------------------------
+        act.gbak(switches=['-b', str(act.db.db_path), str(tmp_fbk)], io_enc = locale.getpreferredencoding())
+        act.gbak(switches=['-rep', str(tmp_fbk), tmp_res.db_path], io_enc = locale.getpreferredencoding())
+        #act.gbak(switches=['-b', '-se', 'localhost:service_mgr', str(act.db.db_path), str(tmp_fbk)])
+        #act.gbak(switches=['-rep', '-se', 'localhost:service_mgr', str(tmp_fbk), str(tmp_res)])
+
+        act.expected_stdout = r_mode.upper().replace('_','-') if r_mode != 'none' else '<null>'
+        act.isql(switches=['-q'], input = chk_sql % locals(), use_db = tmp_res, io_enc = locale.getpreferredencoding())
+        assert act.clean_stdout == act.clean_expected_stdout
+        act.reset()