Decide whether to write a lightweight or full-length report, and use the below form to start. Lightweight report (template): Full-length report (template):
Write up what happened, filling out the template. Use past incident reports for inspiration.
Once done, change the status to "in-review", preferably within 7 days of the incident. Within 3 weeks the ONFIRE working group will get back to you with feedback. After the ONFIRE review and any updates to the report, set the status to "final" and notify the ops@ mailing list.
This page tracks incident reports about Wikimedia Foundation properties, such as Wikipedia.