# AD 69-22-03: Landing Gear Microswitch

- Type: Airworthiness directive
- Status: Current
- Products: Dassault Fan Jet Falcon and Fan Jet Falcon Series D
- Effective: November 26, 1969
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-866
- Registered aircraft: 24 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EB0151701868F2B38625698B0055811E.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/69-22-03

## The airworthiness directive

69-22-03 AVIONS MARCEL DASSAULT: Amdt. 39-866. Applies to all Fan Jet Falcon and Fan Jet Falcon Series D Airplanes having Serial Numbers 73 and subsequent on which the production microswitch has been replaced with a switch that has not been modified.

Compliance is required as indicated, unless already accomplished.

To prevent the ingress of moisture in the landing gear microswitch assembly, within the next 50 hours' time in service after the effective date of this AD, replace the unmodified microswitch with a modified switch in accordance with Avions Marcel Dassault Service Bulletin No. 333, Revision 2, dated March 28, 1969, or later SGAC-approved issue, or an FAA-approved equivalent as follows:

  (a) NOSE LANDING GEAR, TELESCOPIC BAR

Replace the switch P/N A1.23802 with modified switch P/N A1.23802 V1 V2.

  (b) NOSE LANDING GEAR, DOOR ACTUATING CYLINDER

Replace the switch P/N A1.23801 with modified switch P/N A1.23801 V1 V2.

  (c) MAIN LANDING GEAR,DRAG STRUT ACTUATOR CYLINDER

Replace the switch P/N A2.23802 with modified switch P/N A2.23802 V1 V2.

  (d) MAIN LANDING GEAR, DOOR ACTUATING CYLINDER

Replace the switch P/N A2.23801 with modified switch P/N A2.23801 V1 V2.

This amendment becomes effective November 26, 1969.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A7EU](https://openairdocs.org/tcds/A7EU): Dassault Aviation; names 2 of 11 models: Fan Jet Falcon Series D, Fan Jet Falcon

## 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: 24 (24 by airframe model, 0 by engine model)
- Makers: Dassault/Sud 24

Models with the most aircraft:

- [Dassault/Sud FAN JET FALCON](https://openairdocs.org/model/dassault-sud-fan-jet-falcon): 24 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/69-22-03/models.md
Every aircraft: https://openairdocs.org/ad/69-22-03/aircraft.md

Its text cites no advisory circulars or STCs.

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