# AD 83-13-09 R1: Interphone Audio System Modification

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-10-15, DC-10-30 and DC-10-30F (KC-10A, KDC-10)
- Effective: October 27, 1983
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-4744
- Registered aircraft: 19 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E1AB31BAF8C85D2C862569F20069F211.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/83-13-09-R1

## The airworthiness directive

83-13-09 R1 McDONNELL DOUGLAS: Amendment 39-4679 as amended by Amendment 39-4744. Applies to certain McDonnell Douglas DC-10-15 and DC-10-30 airplanes, and all KC-10A airplanes, certified in all categories, which are listed in McDonnell Douglas DC-10 Service Bulletin 23-46, dated May 12, 1983, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, Compliance required within 30 days from the effective date of this AD unless already accomplished.

To prevent loss of communication transmission capability from airplane to ground, accomplish the following:

A. Modify the service and flight interphone audio system wiring in accordance with the Accomplishment Instructions in McDonnell Douglas DC-10 Service Bulletin No. 23-46, dated May 12, 1983, or later revisions approved by the Manager, Los Angeles Aircraft Certification Office, FAA, Northwest Mountain Region.

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

C. 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 modifications required by this AD.

All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to McDonnell Douglas Corporation, 3855 Lakewood Boulevard, Long Beach, California 90846, Attention: Director, Publications and Training, C1-750 (54-60). These documents also may be examined at FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Los Angeles Aircraft Certification Office, 4344 Donald Douglas Drive, Long Beach, California.

Amendment 39-4679 became effective July 18, 1983.

This Amendment 39-4744 becomes effective October 27, 1983.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A22WE](https://openairdocs.org/tcds/A22WE): The Boeing Company; names 3 of 11 models: DC-10-30, DC-10-30F (KC-10A KDC-10), DC-10-15

## 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: 19 (19 by airframe model, 0 by engine model)
- Makers: Mcdonnell Douglas 13, Mcdonnell-Douglas 5, Douglas 1

Models with the most aircraft:

- [Mcdonnell Douglas DC-10-30F](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f): 12 aircraft (airframe model)
- [Mcdonnell-Douglas DC-10-30](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30): 5 aircraft (airframe model)
- [Douglas DC-10-30F](https://openairdocs.org/model/douglas-dc-10-30f): 1 aircraft (airframe model)
- [Mcdonnell Douglas DC-10-30F (KDC-10)](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f-kdc-10): 1 aircraft (airframe model)

All 4 models: https://openairdocs.org/ad/83-13-09-R1/models.md
Every aircraft: https://openairdocs.org/ad/83-13-09-R1/aircraft.md

Its text cites no advisory circulars or STCs.

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