The DA-1203A can be returned to service as inspected or repaired by SEA, following instructions provided by the current DA-1203A maintenance manual.
If the DA-1203A is to be installed into a Eurocopter, according to the Eurocopter Service Bulletin (AS365 34.00.29), it is recommend that the unit be inspected per the Telephonics Service Letter (SL-T-08-0001, April 2008). The service letter has been incorporated into the current DA-1203A Maintenance Manual. The maintenance manual recommends that the unit be inspected for preventive maintenance every 3 years or 3000 hours whichever comes first.
SEA complies with the DA-1203A maintenance manual, and in turn complies with the inspection procedure cited in the Eurocopter Service Bulletin.