root@123 show chassis alarms
2 alarms currently active
Alarm time Class Description
2025-03-17 07:18:41 UTC Minor "CCL:Exceeded Correctable Err threshold on SFB00_ZF00-chan-rx37-sc2"
2025-03-17 07:18:41 UTC Minor "CCL:Exceeded Correctable Err threshold on SFB00_ZF00-chan-rx37-sc1

root@123> show chassis alarms | display xml

<rpc-reply xmlns:junos=http://xml.juniper.net/junos/22.4R0/junos>

    <alarm-information xmlns=http://xml.juniper.net/junos/22.4R0/junos-alarm>

        <alarm-summary>

            <active-alarm-count>2</active-alarm-count>

        </alarm-summary>

        <alarm-detail>

            <alarm-time junos:seconds="1744238801">

                2025-04-09 22:46:41 UTC

            </alarm-time>

            <alarm-class>Minor</alarm-class>

            <alarm-description>"CCL:Exceeded Correctable Err threshold on SFB00_ZF00-chan-rx37-sc2"</alarm-description>

            <alarm-short-description>2025103702 </alarm-short-description> ##Alarm ID ##

            <alarm-type>Chassis</alarm-type>

        </alarm-detail>

        <alarm-detail>

            <alarm-time junos:seconds="1744238801">

                2025-04-09 22:46:41 UTC

            </alarm-time>

            <alarm-class>Minor</alarm-class>

            <alarm-description>"CCL:Exceeded Correctable Err threshold on SFB00_ZF00-chan-rx37-sc1"</alarm-description>

            <alarm-short-description>2025103701 </alarm-short-description>

            <alarm-type>Chassis</alarm-type>

        </alarm-detail>

    </alarm-information>

    <cli>

        <banner>{master}</banner>

    </cli>

</rpc-reply>

We can clear the alarm via alarm ID.

The alarm id can be found from show chassis alarms | display xml

root@123> clear alarm 2025103702