# AD 74-15-04: Aircraft Seats

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-10-10, DC-10-10F, DC-10-15, DC-10-30, DC-10-30F (KC-10A, KDC-10), DC-10-30F (KC-10A, KDC-10), DC-10-30F (KC-10A, KDC-10), DC-10-40 and DC-10-40F
- Effective: August 26, 1974
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-1900
- Registered aircraft: 26 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FE3C97EAC1AB4672862569C9006EED5C.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/74-15-04

## The airworthiness directive

74-15-04 MCDONNELL DOUGLAS: Amendment 39-1900. Applies to Douglas Model DC-10 Series airplanes, certificated in all categories, incorporating Weber Aircraft seats, Part Number 818472-401, 402, 403, 411, 412, 413, 415, 416, 417, 418, 419, 4011, 4021, and 4031 and 819900-401, 402, and 403.

Compliance required as indicated.

To prevent possible failures of the oxygen doors, accomplish the following:

  (a) Within 300 hours' additional time in service, and at intervals not to exceed 300 hours' time in service, until (b), below, is accomplished, perform a visual inspection of all oxygen doors to verify that upholstery fabric does not obstruct the oxygen door, should door opening become necessary. If such obstruction is observed, correct before further flight.

  (b) Within 1,500 hours' additional time in service, unless already accomplished, install shrouds around the first-class seat back oxygen doors in accordance with Weber Aircraft Service Bulletins No. 25-314, dated November 1, 1973, and No. 25-330, dated May 15, 1974, or later FAA-approved revisions.

  (c) Equivalent installations may be approved by the Chief, Aircraft Engineering Division, FAA Western Region.

  (d) Aircraft may be flown to a base for the performance of that maintenance required by this AD per FAR's 21.197 and 21.199.

NOTE: For the requirements regarding the listing of compliance and method of compliance with this AD in the airplane's permanent maintenance record, see FAR 91.173.

This amendment becomes effective August 26, 1974.

## 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 7 of 11 models: DC-10-40, DC-10-10F, DC-10-30, DC-10-30F (KC-10A KDC-10), DC-10-10, DC-10-40F, 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: 26 (26 by airframe model, 0 by engine model)
- Makers: Mcdonnell Douglas 13, Douglas 8, Mcdonnell-Douglas 5

Models with the most aircraft:

- [Mcdonnell Douglas DC-10-30F](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f): 12 aircraft (airframe model)
- [Douglas DC-10-40](https://openairdocs.org/model/douglas-dc-10-40): 6 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)
- [Douglas DC-10-40F](https://openairdocs.org/model/douglas-dc-10-40f): 1 aircraft (airframe model)

All 6 models: https://openairdocs.org/ad/74-15-04/models.md
Every aircraft: https://openairdocs.org/ad/74-15-04/aircraft.md

Its text cites no advisory circulars or STCs.

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