# AD 75-12-03: Aft Engine

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-10-10, DC-10-10F, DC-10-30 and DC-10-30F (KC-10A, KDC-10)
- Effective: August 7, 1975
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-2297
- Registered aircraft: 19 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BE5783D95CEA86DB86256E0C00720032.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/75-12-03

## The airworthiness directive

75-12-03 MCDONNELL DOUGLAS: Amendment 39-2229 as amended by Amendment 39-2297. Applies to Model DC-10-10, -10F, -30, -30F airplanes certificated in all categories.

To maintain fire containment capability of the aft engine, and to protect against potential foreign object damage to the aft engine fan section, accomplish the following after the effective date of this AD.

Within the next 300 flight hours, unless already accomplished within the 600 flight hours previous to the effective date of this AD, and at intervals not to exceed 900 flight hours thereafter, accomplish the inspection and repair requirements of McDonnell Douglas Service Bulletin 71-75, dated May 16, 1975, or later FAA-approved revisions.

The repetitive inspections required per this AD may be discontinued when the modifications described in McDonnell Douglas Service Bulletin No. 71-73, dated July 15, 1975 or later FAA-approved revisions, are accomplished.

Equivalent inspections and repairs may beapproved by the Chief, Aircraft Engineering Division, FAA Western Region.

Special flight permits may be issued under FAR 21.197 and 21.199 for the purpose of moving the aircraft to a base to perform the inspection requirements of the AD.

Amendment 39-2229 became effective June 6, 1975.

This amendment 39-2297 becomes effective August 7, 1975.

## 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 4 of 11 models: DC-10-10F, DC-10-30, DC-10-30F (KC-10A KDC-10), DC-10-10

## 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/75-12-03/models.md
Every aircraft: https://openairdocs.org/ad/75-12-03/aircraft.md

Its text cites no advisory circulars or STCs.

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