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Other aircraft modifications

STC SA2991SO

FAA DRS lists SA2991SO as Current · Reissued, held by Purolator Facet, Inc, for McDonnell Douglas DC-9-11, McDonnell Douglas DC-9-12, and McDonnell Douglas DC-9-13, and 21 more aircraft configurations. Recorded change: Installation of a replacement coalescer filter, P/N 21D10 or 21D10-1, or 21BC125.. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
24
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA2991SO identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: McDonnell Douglas DC-9-11, McDonnell Douglas DC-9-12, and McDonnell Douglas DC-9-13, and 21 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing