90D39-4 (Heater Blower)
| Manufacturer | Part # | Approved Replacement for Article Number | Approval Basis and Approved Design Data | Make/TCH | Model/Series | Supplement |
|---|---|---|---|---|---|---|
| Hartzell Engine Tech | Hartzell Engine Technologies 90D39-2 Piper Aircraft 689-941 |
Piper Aircraft, Inc. | PA-44-180, S/N 4496331, 4496339 AND UP, PA-34-220T |
85 |
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