# AD 47-42-05: Curtain Hook Replacements

- Type: Airworthiness directive
- Status: Current
- Products: Boeing DC-6, DC-6A and DC-6B
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Registered aircraft: 17 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/22A27C667F20BE26862569BB00759BC9.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-42-05

## The airworthiness directive

47-42-05 DOUGLAS: (Was Mandatory Note 2 of AD-781-1.) Applies to the Following DC-6 Airplanes: AAL Serial Numbers 42854 to 42865, Inclusive; Serial Numbers 42879 and 42880; UAL Serial Numbers 42866 to 42875, Inclusive; and Panagra Serial Numbers 42876 to 42878, Inclusive.

To be accomplished not later than August 1, 1948.

In order to prevent window curtain interference when opening emergency exit doors, remove hook assemblies, 2346313, -500, from curtain track, 5337482, and from the window curtain assemblies, 3343932-512, and replace with new slides, 1335554 and hooks 1345849 on each side of the four forward and the two aft cabin emergency exit door window frames.

(Douglas Service Bulletin DC-6 No. 15 covers this same subject.)

## Affected data sheets (3) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 6A3](https://openairdocs.org/tcds/6A3): The Boeing Company; names 1 of 3 models: DC-6A
- [TCDS 6A4](https://openairdocs.org/tcds/6A4): The Boeing Company; names 1 of 2 models: DC-6B
- [TCDS A-781](https://openairdocs.org/tcds/A-781): The Boeing Company; names 1 of 1 models: DC-6

## 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: 17 (17 by airframe model, 0 by engine model)
- Makers: Douglas 17

Models with the most aircraft:

- [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b): 9 aircraft (airframe model)
- [Douglas DC-6A](https://openairdocs.org/model/douglas-dc-6a): 7 aircraft (airframe model)
- [Douglas DC-6](https://openairdocs.org/model/douglas-dc-6): 1 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/47-42-05/models.md
Every aircraft: https://openairdocs.org/ad/47-42-05/aircraft.md

Its text cites no advisory circulars or STCs.

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