Yes wirelles -rep was enables. Version 6.36rc30 - everything was ok.

*) wap-ac - fixed performance problems with 2.4GHz wireless (additional reboot after upgrade required);
After update signal become worse (wAP-ac working as repeater, main router hap AC). wAP-ac loosing connections constantly...

After update RB941-2nd from 6.27 to 6.28 it is no more possible to connect by winbox3rc6 (was working fine until update). Winbox closes right immediatelly after writing "downloading plugins". The same with winbox3rc9 (actually latest). The main website of router does not contain any downl...

MAC telnet is possible between two MikroTik RouterOS routers only.
Your configuration should work. Does your mikrotik routers connected directly?

use other ports or disable/configure firewall.

try reset router