Description
Cirrus Aircraft 21978-001 Flow Transducer
Flow transducer listed in the FIKI ice protection installation (IPC 30-07-01), quantity 1, with two MS24694S54 screws and the in-line strainer 21965-001 shown beside it. The Cirrus price list describes it as "Flow Transducer".
Fit, per the Cirrus Illustrated Parts Catalog:
- SR22 serials 3403 through 3776, SR22T serials 0001 through 0181
TKS filters: Cirrus's maintenance manual (05-10) schedules replacement of the ice protection system filter every 1,200 hours or 2 years, whichever comes first. Filter elements: 26115-101 (Basic and Basic² systems; FIKI SR22 3403–3850 and SR22T 0001–0315) and 21986-203 (FIKI SR22 3851 and up, SR22T 0316 and up).
Serial ranges are transcribed from the Cirrus IPC. Confirm your aircraft's serial number, installed equipment and service bulletin compliance against current Cirrus documents before ordering.
Reference only — not a maintenance authority. The part numbers, effectivity and service bulletin references shown above are published as an aid to our customers and may not reflect current Cirrus data. They must not be used as the basis for installation. Mechanics must obtain and use their own current Cirrus Illustrated Parts Catalog and the current revision of any service bulletin, and must verify applicability against the aircraft serial number, service bulletin compliance and any installed STCs, before ordering or installing any part.
