# AD 91-02-08: Airplane Electrical System

- Type: Airworthiness directive
- Status: Current
- Products: Nomad TC Pty N22B, N22S and N24A
- Effective: February 7, 1991
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-6842
- Docket: 90-CE-15-AD
- Registered aircraft: 1 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B4C6EB21FDE3C66D86256A480064AEDD.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/91-02-08

## The airworthiness directive

91-02-08 AEROSPACE TECHNOLOGIES OF AUSTRALIA PTY LTD.: Amendment 39-6842. Docket No. 90-CE-15-AD.

Applicability: Nomad Models N22B, N22S, and N24A airplanes (all serial numbers), certificated in any category.

Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished.

To prevent overheating of the terminal lugs connected to the generator cables at the wing leading edge engine firewall, accomplish the following:

  (a) Modify the airplane electrical system using Nomad Modification No. N724, in accordance with the instructions in Part 3 of Nomad Alert Service Bulletin ANMD-24-5, Revision 1, dated August 4, 1989.

  (b) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.

  (c) An alternate method of compliance or adjustment to the compliance time that provides an equivalent level of safety may be approved by the Manager, FAA, Northwest Mountain Region, Los Angeles Aircraft Certification Office, 3229 E. Spring Street, Long Beach, California 90806-2425. The request should be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, FAA, Northwest Mountain Region, Los Angeles Aircraft Certification Office.

  (d) All persons affected by this directive may obtain copies of the document referred to herein upon request to Aerospace Technologies of Australia Pty, Ltd., 226 Lorimer Street, Port Melbourne, Victoria 3207, Australia; Telephone 9-011-61-62-68-4142; or may examine this document at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri 64106.

This amendment (39-6842, AD 91-02-08) becomes effective on February 7, 1991.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A7PC](https://openairdocs.org/tcds/A7PC): Nomad TC Pty Ltd; names 3 of 3 models: N22B, N22S, N24A

## 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: 1 (1 by airframe model, 0 by engine model)
- Makers: Government Aircraft Factories 1

Models with the most aircraft:

- [Government Aircraft Factories N22B](https://openairdocs.org/model/government-aircraft-factories-n22b): 1 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/91-02-08/models.md
Every aircraft: https://openairdocs.org/ad/91-02-08/aircraft.md

Its text cites no advisory circulars or STCs.

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