FAA Order 8130.34D — OPA / OPA-UAS Operating Limitation B-9
Appendix B · p. B-3
The aircraft manufacturer and its representatives may perform the maintenance and inspections required by these operating limitations. Representatives of a manufacturer must have written authorization from the manufacturer. For continued airworthiness of OPA or OPA/UAS not requiring compliance, the use of FAA certificated maintenance providers is encouraged, which may include repair stations, holders of mechanic and repairman certificates, and other persons working under the supervision of these mechanics and repairman. An FAA certificated maintenance provider performing maintenance and/or inspection on aircraft that are not subject to requirements, per , is not considered to be exercising certificate holder privileges.
This limitation takes precedence and replaces any similar limitation specified in FAA Order 8130.2.
Verify it yourself: the eyeball above opens the exact page of Order 8130.34D with this limitation highlighted.