AOG request checklist: the details that help urgent aircraft-parts enquiries
https://fly-supply.net/en/guides/aog-request-checklist

Your enquiry checklist
[ ] Aircraft make/model and current location
[ ] Manufacturer, complete P/N and quantity
[ ] S/N and fault description for service requests
[ ] Required arrival date, time and time zone
[ ] Acceptable condition and documentation requirements
[ ] Callback contact and relevant attachments

Use this guide to prepare a request. Exact suitability, installation eligibility, applicable documentation and service scope are confirmed for the specific equipment and application.