Key Takeaways
- The later years of a product’s life involve repairs, spare parts management, and addressing component obsolescence.
- Component obsolescence management is essential as manufacturers may stop producing parts while products remain in service.
- Planning for obsolescence starts during design to keep options available when end-of-life notices arrive.
- After-sales support includes repair, sourcing spares, and maintaining continuity in team practices over time.
- Ask key questions about lifecycle status, spare stock, and failure response to ensure effective management of active products.
Table of contents
The evenings are drawing in properly now. It is the time of year when you stop thinking about the summer and start working out how long the winter will be.
Products go through something similar. Launching a new product gets the planning, the budget and the attention. Then the product goes into service, and for an industrial or medical product that service life can run to ten years or more. That is where most of its working life sits, and it is often the part with the least planning behind it.
What the later years involve
Once volume production settles down, the questions change. They are smaller and more frequent, and they tend to arrive without much warning.
A unit comes back from the field and needs repair. A customer needs spares for an installed base that is still growing. A component on the bill of materials receives an end-of-life notice from its manufacturer. A fault turns up in service and someone needs to know whether it is a one-off or the start of a pattern.
None of these make headlines. Each one decides whether the product keeps doing its job or starts costing its owner money.
Component obsolescence management
Of all the later-life issues, obsolescence is the one most likely to stop production outright.
Component manufacturers discontinue parts on their own timetable, and a product designed today will very likely outlive some of the parts inside it. When an end-of-life notice lands, there are usually three options: make a last-time buy sized against realistic future demand, qualify an alternative part, or plan a move to a revised design.
The earlier the notice is picked up, the more of those options are still open. A last-time buy needs a forecast you trust. A qualified alternative needs time for evaluation and, for regulated products, for the documentation that goes with it. A redesign needs the most time of all.
That is why obsolescence planning starts at design. The questions we raised in week three, about a part’s lifecycle position and whether it has a second source, are the same ones that make an end-of-life notice manageable years later.
Repairs, spares and field support
The rest of after-sales is steadier work, and it relies on the same discipline as production.
- Repair and return: fault diagnosis, repair and functional re-test, carried out to the same quality standards and documentation as the original build.
- Spare parts: holding or sourcing components and managing stock against service demand forecasts, so field replacements are there when they are needed.
- Scheduled inspection and maintenance: planned checks that extend product life and reduce unplanned downtime.
- Fault diagnosis and failure analysis: when something fails in the field, finding the cause so the answer can be acted on.
What ties these together is continuity. The team supporting a product in year eight should be working from the same build records, test specifications and quality system as the team that built it in year one.
Why the series finishes here
We started The Turn five weeks ago with the first design decision. Since then we have walked through prototyping, sourcing, manufacturing, and quality and test. It finishes here, at the far end of the product’s life, because that is the whole of the job.
Many of the products we build, from component sourcing onwards, are still in service long after the people who launched them have moved on to other projects. That work rarely gets photographed, but it is a large part of what a manufacturing partner is for.
Five questions worth asking before winter
If you have products in service, these are worth a few minutes:
- Do you know the lifecycle status of every component on your active bills of materials?
- If a key part went end of life tomorrow, would you make a last-time buy, qualify an alternative or redesign, and who would make that call?
- Is your spares stock based on a current service forecast?
- When a unit comes back from the field, does the failure information reach the people who can act on it?
- Will your manufacturing partner still hold the build records and test specifications in five years’ time?
If any of those are harder to answer than they should be, we are happy to talk them through. Email info.note@note-ems.co.uk or read more about our after-sales and EOL services.
We make it work, for as long as it needs to work.
Seasons change. Product quality doesn’t.
