The volunteers working on its restoration are also heavily involved with the LMS steam crane currently undergoing major overhaul, and have also been working on Polish tank 5485 (now back in traffic). When these projects are completed it is hoped to progress 'Tinkerbell' further.
The boiler has been ultrasonically examined, some of the copper in the firebox is thin and requires replacement. There is also a faulty boiler stay repair that requires attention, but otherwise the boiler is reported to be in fairly good condition.
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The frames have been repainted, and a myriad of smaller components have been, or are being, cleaned and repaired as necessary.