Write a letter
complaining about a faulty product.
This is to inform you that on (date) I
bought (item) from you for the price of (amount). Unfortunately, I have discovered that
this (item) is faulty and not fit for its purpose. Therefore, I am requesting you to
carry out the necessary repairs needed to restore the (item) to a working condition.
I shall look forward to hearing from you
within the next 10 days.