# AD 74-09-05: Emergency Overwing Exits

- Type: Airworthiness directive
- Status: Current
- Products: Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body, 707-200, 707-300 Series, 707-300B Series, 707-300C Series, 707-400 Series, 720 Series, 720B Series, 727-100 Series, 727-100C Series and 13 more
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-1824
- Registered aircraft: 854 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/55A6AD81B22CA2BC8625683200532C29.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/74-09-05

## The airworthiness directive

74-09-05 BOEING: Amendment 39-1824. Applies to Boeing Models 707/720/727/737 series airplanes certificated in all categories. Compliance required as indicated below, unless already accomplished. To prevent possible interference with overwing emergency exit opening, accomplish the following: a. Within 200 hours time in service after effective date of this AD, inspect screws in the upper sidewall panel to hatch frame of emergency overwing exits for secure conditions. If screws are loose or backed-out install star washers, or, as terminating action, nutplates in accordance with paragraph c of this AD. b. Within 1000 hours time in service after effective date of this AD, unless already accomplished, install nutplates in accordance with paragraph c of this AD. c. Install star washers and nutplates in accordance with the following Boeing Service Bulletins, as applicable, or later FAA approved revisions, or equivalent instructions approved by the Chief, Engineering and Manufacturing Branch, FAA, Northwest Region:

MODELS - 707/720; SERVICE BULLETIN NUMBER - 3153 MODEL - 727; SERVICE BULLETIN NUMBER - 727-25-214 MODEL - 737; SERVICE BULLETIN NUMBER - 737-25-1101

The manufacturer's specifications and procedures identified and described in this directive are incorporated herewith and made a part hereof, pursuant to 5 U.S.C. 552(a)(i). All persons affected by this directive who have not already received these documents may obtain copies upon request to The Boeing Company, P. O. Box 3707, Seattle, Washington 98124. These documents may also be examined at FAA Northwest Region, Boeing Field, Seattle, Washington.

This amendment becomes effective upon publication.

## Affected data sheets (5) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A16WE](https://openairdocs.org/tcds/A16WE): The Boeing Company; names 9 of 17 models: 737-500 Series, 737-100 Series, 737-200C Series, 737-800 Series, 737-300 Series, 737-200 Series, 737-700 Series, 737-400 Series…
- [TCDS A3WE](https://openairdocs.org/tcds/A3WE): The Boeing Company; names 6 of 6 models: 727-100 Series, 727 Series, 727-200 Series, 727-100C Series, 727-200F Series, 727C Series
- [TCDS 4A21](https://openairdocs.org/tcds/4A21): The Boeing Company; names 4 of 4 models: 707-100B Short Body, 707-200, 707-100 Long Body, 707-100B Long Body
- [TCDS 4A26](https://openairdocs.org/tcds/4A26): The Boeing Company; names 4 of 4 models: 707-300B Series, 707-400 Series, 707-300 Series, 707-300C Series
- [TCDS 4A28](https://openairdocs.org/tcds/4A28): The Boeing Company; names 2 of 2 models: 720B Series, 720 Series

## 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: 854 (854 by airframe model, 0 by engine model)
- Makers: Boeing 854

Models with the most aircraft:

- [Boeing 737-823](https://openairdocs.org/model/boeing-737-823): 278 aircraft (airframe model)
- [Boeing 737-800](https://openairdocs.org/model/boeing-737-800): 139 aircraft (airframe model)
- [Boeing 737-824](https://openairdocs.org/model/boeing-737-824): 135 aircraft (airframe model)
- [Boeing 737-832](https://openairdocs.org/model/boeing-737-832): 73 aircraft (airframe model)
- [Boeing 737-890](https://openairdocs.org/model/boeing-737-890): 60 aircraft (airframe model)
- [Boeing 737-724](https://openairdocs.org/model/boeing-737-724): 36 aircraft (airframe model)
- [Boeing 737-790](https://openairdocs.org/model/boeing-737-790): 14 aircraft (airframe model)
- [Boeing 737-752](https://openairdocs.org/model/boeing-737-752): 13 aircraft (airframe model)
- [Boeing 727-223](https://openairdocs.org/model/boeing-727-223): 9 aircraft (airframe model)
- [Boeing 737-400](https://openairdocs.org/model/boeing-737-400): 8 aircraft (airframe model)
- [Boeing 737-852](https://openairdocs.org/model/boeing-737-852): 7 aircraft (airframe model)
- [Boeing 737-500](https://openairdocs.org/model/boeing-737-500): 6 aircraft (airframe model)
- [Boeing 737-436](https://openairdocs.org/model/boeing-737-436): 6 aircraft (airframe model)
- [Boeing 737-700](https://openairdocs.org/model/boeing-737-700): 5 aircraft (airframe model)
- [Boeing 727-227](https://openairdocs.org/model/boeing-727-227): 4 aircraft (airframe model)
- [Boeing 737-300](https://openairdocs.org/model/boeing-737-300): 4 aircraft (airframe model)
- [Boeing 737-883](https://openairdocs.org/model/boeing-737-883): 4 aircraft (airframe model)
- [Boeing 737-205](https://openairdocs.org/model/boeing-737-205): 3 aircraft (airframe model)
- [Boeing 737-490](https://openairdocs.org/model/boeing-737-490): 3 aircraft (airframe model)
- [Boeing 737-484](https://openairdocs.org/model/boeing-737-484): 3 aircraft (airframe model)

All 58 models: https://openairdocs.org/ad/74-09-05/models.md
Every aircraft: https://openairdocs.org/ad/74-09-05/aircraft.md

Its text cites no advisory circulars or STCs.

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