# AD 74-10-02: Oxygen Generators

- 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: May 6, 1974
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-1832
- Registered aircraft: 26 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/163A683F032AFDBD862569C9006EB801.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/74-10-02

## The airworthiness directive

74-10-02 MCDONNELL DOUGLAS: Amendment 39-1832. Applies to Douglas Model DC-10 series airplanes, certificated in all categories, incorporating Weber Aircraft seats, Part Numbers 818472, 818473, 818474, 818475, 819291, 819812, and 819813, with dash numbers as listed in Weber Aircraft Service Bulletin No. 25-326, dated February 15, 1974.

Compliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent further inadvertent dislodgement of oxygen generators from seat backs, accomplish the following:

  (a) Replace the oxygen generator torsion retention springs in accordance with Weber Aircraft Service Bulletin No. 25-326, dated February 15, 1974.

  (b) The Chief, Aircraft Engineering Division, FAA Western Region, may approve equivalent modifications.

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

This amendment becomes effective May 6, 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/74-10-02/models.md
Every aircraft: https://openairdocs.org/ad/74-10-02/aircraft.md

Its text cites no advisory circulars or STCs.

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