Union of South Africa's passed her boiler exam!

Rail Report
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(c) http://www.geograph.org.uk . UOSA leaving Bury Station

A4 class pacific 'Union of South Africa' designed by Sir Nigal Gresley has passed her bolier exam!

We know this because UOSA's facebook page has announced it. 

Here is the annoucment here:

This means that she will return to mainline service soon...