N2004M is reserved. Manufacturer temporary reservation held by Colsa Corp — if it isn't renewed, the FAA releases it on Feb 21, 2028 (in about 20 months).
Temporarily reserved to an aircraft manufacturer.
Reservations lapse more often than you'd think. Check back around Feb 21, 2028 — if the holder doesn't renew, it becomes available. See everything scheduled to free up in February 2028.
N2004M has been worn before. Past registrations from FAA deregistration records:
Tails one nudge away from N2004M that aren't assigned or reserved: