# AD 65-18-02: Turn and Bank Indicators

- Type: Airworthiness directive
- Status: Current
- Products: Schwien Engineering Turn and Bank Indicators
- Published: August 19, 1965
- Superseded by: Nothing supersedes this AD
- Product type: Appliance
- Amendment: 39-117
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1E3F57DD887582C986256D500041A242.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/65-18-02

## The airworthiness directive

65-18-02 SCHWIEN: Amdt. 39-117-Part 39 Federal Register August 19, 1965. Applies to All Model S-27200 Turn and Bank Indicators.

Compliance required before further IFR flight or at the next instrument overhaul, whichever occurs first, unless already accomplished.

To prevent further fatigue failures of the zinc die cast rotor, replace zinc die cast rotor assembly, P/N 11-7347, with General Design, Inc. steel rotor, P/N 3553-2, and two cup assembly bearings, P/N 3659, in accordance with paragraph 2 (Accomplishment Instructions) of General Design Service Bulletin No. 12.0.2800, dated June 1965, or an equivalent approved by the Aircraft Engineering Division, FAA Western Region.

This directive effective August 17, 1965.

Revised October 30, 1965.

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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