UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36

Steps to reproduce the problem:
1. Login in to Britishgas website- https://www.britishgas.co.uk/identity/
2. Navigate to make a payment - 
3. After entering details- submit the payment
4. There is a iframe which will navigate to 3D secure and there it get stuck.
5. From there on there is no request passed to our webserver

What is the expected behavior?
In IE and other browsers there is no issue.
Payment will be processed and will be shown with confirmation screen.

What went wrong?
3D secure navigation- Iframe keeps on loading and crashes.

Hence customer Payments are not getting processed and there by call center agents are processing at the momement.
This is a severe issue, we need to fix this asap.

Crashed report ID: 

How much crashed? Just one tab

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Chrome version: 54.0.2840.99  Channel: n/a
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: 

I am from British gas support. Customers are unable to make a payment in chrome 54 version.

The page is keep on loading for long time.

We use Iframe to navigate to 3D secure page and authenticate customer card details.Both are https.

Please help us to resolve this issue. Kindly let me know in case of any further details is required.