Product Has Broken: Please Repair –
[Name, Company Name & Address here]
Please find enclosed a copy of the sales bill for [product name], we purchased from you on [date].
After using it for just a short period of time, [state here duration], your product has stopped working
– [State here the faults of the product] –
As I am aware of your reputation for great customer service, I am confident that you will either repair my [product name], or replace it with a new one.
You can contact me on [no. here] for any further information.
Encl: [Enclosures List here]