BVM1 Completing a complaint

We are writing in ... to our order number HBN23 of 12 April.

When we opened the consignment, we discovered that some of the parts were ... (= kaputt)

You promised us prompt ... but we are still waiting for our order.

It seems that the goods were not ... properly

Please let us know what can be done to ... this problem.

We hope to receive your ... immediately.

Could you please ... why the goods haven't been delivered yet?

If we do not ... the good within the next three days, we will have to stop the production.

We have a large order from a regular customer, which we have to ... quickly.

We look forward to receiving an explanation as soon as ... .