# AD 82-25-05: Terminal Wiring on the D.C. Generator Outputs

- Type: Airworthiness directive
- Status: Current
- Products: Mitsubishi Heavy Industries YS-11, YS-11A-200, YS-11A-300, YS-11A-500 and YS-11A-600
- Effective: December 6, 1982
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-4504
- Registered aircraft: 1 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DCE66B250F3AC58A862569F2007093A3.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/82-25-05

## The airworthiness directive

82-25-05 NIHON AEROPLANE MANUFACTURING COMPANY: Amendment 39- 4504. Applies to Model YS-11/11A series airplanes, certificated in all categories. Compliance required within the next 250 hours time in service or 90 days, whichever occurs first, after the effective date of this AD, unless previously accomplished. To prevent the loss of both D.C. generator outputs:

1. Modify the terminal wiring on the D.C. generators in accordance with the Accomplishment Instructions of Lear Siegler, Inc., Service Bulletin No. 30029-02 dated November 16, 1980.

2. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

3. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.

The manufacturer's specifications and proceduresidentified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

This amendment becomes effective December 6, 1982.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A1PC](https://openairdocs.org/tcds/A1PC): Mitsubishi Heavy Industries Ltd.; names 5 of 5 models: YS-11, YS-11A-300, YS-11A-500, YS-11A-600, YS-11A-200

## 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: Nihon 1

Models with the most aircraft:

- [Nihon YS-11A-500](https://openairdocs.org/model/nihon-ys-11a-500): 1 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/82-25-05/models.md
Every aircraft: https://openairdocs.org/ad/82-25-05/aircraft.md

Its text cites no advisory circulars or STCs.

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