FA codes are used to identify equipment for traps forwarded to AT&T.
The FA code refers to the carrier_hub_id in the network_element table.
FA codes are set at the Controller level
See trap forwarding for detailed information on this subject.
Traps are currently forwarded to AT&T if:
Severity is Critical or Major
And Element has FA code (carrier_hub_id) assigned to them or their parents
And assigned Carrier is AT&T or OPN
ExteNet use a report called 'FA Codes' to check and verify values