Honeywell issued a revision to an Aftermarket Program Info Letter regarding Early Event Signoff Guidelines.
Are you aware of the advantages to purchasing an avionics aftermarket program from a company who is be able to service and support the contract?
I think it is always worth mentioning the importance of maintaining a clean cockpit, especially following the installation of new carpet or interior refurbishment when lint tends to be plentiful.
We now have an exchange pool available of certified and modified units. There will not be any delay during your ADS-B upgrade.