Replacing aircraft lights with LEDs: function, voltage and approval documents
https://fly-supply.net/en/guides/aircraft-led-lighting-replacement

Your enquiry checklist
[ ] Aircraft make/model and existing light location/function
[ ] Complete existing assembly P/N and readable label photo
[ ] Recorded voltage and exact proposed variant if known
[ ] Accessible mounting/connector photos and separate power-unit reference
[ ] Installer's required documentation and kit scope
[ ] Quantity, urgency, required date and whether alternatives may be reviewed

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