# AD 56-15-04: Nose Gear Brackets

- Type: Airworthiness directive
- Status: Current
- Products: de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 1A, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5A, D.H. 104 Dove Series 5BA, D.H. 104 Dove Series 6A, D.H. 104 Dove Series 6BA, D.H. 104 Dove Series 7A, D.H. 104 Dove Series 7AXC, D.H. 104 Dove Series 8A and D.H. 104 Dove Series 8AXC
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 3 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F70780168A9E4D8E86256A34006BCFC1.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/56-15-04

## The airworthiness directive

56-15-04 de HAVILLAND: Applies to All Model 104 "Dove" Aircraft.

Compliance required as indicated.

Cases have been reported of cracks appearing in the brackets P/N 4FS.401 and 4FS.402 which form part of the main attachment structure of the nose undercarriage leg. The de Havilland Service strongly recommended that these brackets be inspected for cracks.

The FAA concurs and considers compliance with de Havilland Service Technical News Sheet CT (104) No. 124, Issue 2, dated December 20, 1955, mandatory. Unless already accomplished, the recommendations in the TNS should be carried out at the earliest opportunity but not later than August 15, 1956.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-807](https://openairdocs.org/tcds/A-807): Acro Aeronautical Services Ltd; names 10 of 10 models: D.H. 104 Dove Series 8A, D.H. 104 Dove Series 7A, D.H. 104 Dove Series 1A, D.H. 104 Dove Series 5A, D.H. 104 Dove Series 7AXC, D.H. 104 Dove Series 8AXC, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5BA…

## 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: 3 (3 by airframe model, 0 by engine model)
- Makers: Dehavilland 3

Models with the most aircraft:

- [Dehavilland DH104 DOVE 6A](https://openairdocs.org/model/dehavilland-dh104-dove-6a): 3 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/56-15-04/models.md
Every aircraft: https://openairdocs.org/ad/56-15-04/aircraft.md

Its text cites no advisory circulars or STCs.

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