# AD 75-22-17: Rudder Trim Control

- Type: Airworthiness directive
- Status: Current
- Products: B-N Group BN2A MK. III, BN2A MK. III-2 and BN2A MK. III-3
- Effective: November 5, 1975
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-2407
- Registered aircraft: 3 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/06E55FBE2E8DDD7386256A34005C2044.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/75-22-17

## The airworthiness directive

75-22-17 BRITTEN NORMAN LTD: Amendment 39-2407. Applies to Model BN-2A Mark III airplanes, all series, certificated in all categories.

Compliance is required as indicated, unless already accomplished.

To prevent possible loss of rudder trim control, accomplish the following:

  (a) Prior to the first flight of each day after the effective date of this AD, inspect the rudder trim jack lower mounting brackets and rudder structure for cracks in accordance with paragraphs 1, 2, and 3 of Britten Norman Service Bulletin No. BN-2/SB.62, dated June 22, 1973, or an FAA-approved equivalent.

  (b) If a crack is found during an inspection required by paragraph (a) of this AD, replace the cracked part with a part of the same part number or an FAA-approved equivalent before further flight, except that the airplane may be flown in accordance with FAR Section 21.197 and 21.199 to a base where the repair can be accomplished.

  (c) Within the next 300 hours' time in service after the effective date of this AD, modify the rudder trim jack lower mounting bracket and the rudder structure in accordance with Britten Norman Modification Leaflet No. BN-2/NB/M/596, dated June 22, 1973, or an FAA- approved equivalent.

  (d) Upon incorporation of the modification required by paragraph (c) of this AD, the inspections required by paragraph (a) of this AD, may be discontinued.

This amendment becomes effective November 5, 1975.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A29EU](https://openairdocs.org/tcds/A29EU): Britten-Norman Aerospace Ltd.; names 3 of 3 models: BN2A MK. III, BN2A MK. III-2, BN2A MK. III-3

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 3 (3 by airframe model, 0 by engine model)
- Makers: Britten Norman 3

Models with the most aircraft:

- [Britten Norman BN-2A MK III](https://openairdocs.org/model/britten-norman-bn-2a-mk-iii): 2 aircraft (airframe model)
- [Britten Norman BN 2A MKIII 2](https://openairdocs.org/model/britten-norman-bn-2a-mkiii-2): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/75-22-17/models.md
Every aircraft: https://openairdocs.org/ad/75-22-17/aircraft.md

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.