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First Article Inspection passed with zero issues for TfL bogie overhaul

October 28, 2026

CWE, William Cook Rail and TfL have delivered the first two overhauled glass-case EV bogies to
Transport for London, with no issues raised at First Article Inspection.

 

CWE has reached a key milestone on its bogie overhaul contract with Transport for London (TfL). The first two overhauled glass-case EV bogies have passed First Article Inspection, with TfL raising zero issues.

First Article Inspection is the point where the customer checks the first units off the line against the full specification before production continues. A clean result at this stage confirms that the process, materials and workmanship are right first time.

From arrival to approval
The bogies arrived at our facility in heavily worn condition, and returning them to service standard was not straightforward. Working closely with our parent company, William Cook Rail, the team worked through the challenges together to deliver a fully overhauled bogie ready for inspection.

Delivered from Leeds
Both bogies were overhauled and delivered from CWE’s dedicated bogie facility in Leeds. They are the first two of TfL’s full fleet, with more to follow as the programme continues.

90% of material supplied in-house
One of the strengths of this contract is how much of the work stays within the group.

Together,CWE and WCR can supply 90% of all material for the contract, including machined, cast and forged parts. That gives us greater control over quality and lead times, and less reliance on outside supply chains, which means less downtime for our customers.

First Article Inspection passed with zero issues for TfL bogie overhaul

October 28, 2026

CWE launches end-to-end Wagon Overhaul Facility

October 28, 2026

National Apprenticeship Week – The Success of James

October 28, 2026