# AD 74-07-04: Passenger Door Air Bottle Assemblies

- 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- Superseded by: Nothing supersedes this AD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: 39-1833
- Registered aircraft: 26 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E9AFA2D2D14C8ACD86256E0C00710AF5.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/74-07-04

## The airworthiness directive

74-07-04 MCDONNELL DOUGLAS: Amendment 39-1804 as amended by Amendment 39-1833. Applies to DC-10 Series airplanes, fuselage numbers 1 through 92.

Compliance required as indicated.

To assure proper alignment of, and detect deformed stop bracket P/N ABA8048-41/-42, or P/N ABA8048-49/-50, accomplish the following:

  (a) Within 100 hours' time in service after the effective date of this AD, unless already accomplished, inspect all forward passenger door air bottle assemblies. If the stop bracket is bent open more than 5 degrees from its normal 90 degree right angle position, replace with a serviceable stop bracket and conduct a door pneumatic functional check before further flight.

  (b) Reinspect forward passenger door air bottle assemblies per (a) above, following any resetting and charging of forward passenger door air bottles.

  (c) Within 1500 hours additional time in service after effective date of this AD, as amended, unless already accomplished, replace forward passenger door emergency air bottle actuating crank stop brackets per McDonnell Douglas Service Bulletin 52-95, dated March 18, 1974, or later FAA-approved revisions or equivalent modifications approved by the Chief, Aircraft Engineering Division, FAA Western Region. The inspections per (a) and (b) may be discontinued upon accomplishment of this modification.

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

Amendment 39-1804 became effective April 4, 1974.

This Amendment 39-1833 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/74-07-04/models.md
Every aircraft: https://openairdocs.org/ad/74-07-04/aircraft.md

Its text cites no advisory circulars or STCs.

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