# AD 70-07-06: Tailplane Rear Spar

- 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, D.H. 104 Dove Series 8AXC, D.H.114 Heron Series 2A, D.H.114 Heron Series 2DA and 1 more
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane, Small/large airplane
- Amendment: 39-963
- Registered aircraft: 4 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B32CAF02AE0E5DCD862569A80070293D.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/70-07-06

## The airworthiness directive

70-07-06 HAWKER SIDDELEY: Amdt. 39-963. Applies to Models DH-104 "Dove" and DH-114 "Heron" airplanes.

Within the next 25 hours' time in service after the effective date of this AD, accomplish the following:

  (a) Conduct an x-ray inspection of the two tailplane rear spar to rear fuselage bulkhead support struts for internal corrosion.

  (b) If corrosion is found during the inspection required by paragraph (a), before further flight replace each strut found corroded with a serviceable strut of the same part number.

  (c) Within 30 days after completing the inspection required by paragraph (a), report the results of the inspection, negative or positive, to the Chief, Engineering and Manufacturing Branch, Aeronautical Center, AC-210, Federal Aviation Administration, Oklahoma City, Oklahoma 73125.

(Reporting approved by Bureau of Budget under BOB No. 04-RO 174).

This amendment is effective upon publication in the Federal Register as to all persons except those persons to whom it was made immediately effective by the telegram dated 4 March, 1970, which contained this amendment.

## Affected data sheets (2) (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…
- [TCDS A-816](https://openairdocs.org/tcds/A-816): Acro Aeronautical Services Ltd; names 3 of 3 models: D.H.114 Heron Series 2DA, D.H.114 Heron Series 2A, D.H.114 Heron Series 2X

## 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: 4 (4 by airframe model, 0 by engine model)
- Makers: Dehavilland 4

Models with the most aircraft:

- [Dehavilland DH104 DOVE 6A](https://openairdocs.org/model/dehavilland-dh104-dove-6a): 3 aircraft (airframe model)
- [Dehavilland DH 114 HERON 2X](https://openairdocs.org/model/dehavilland-dh-114-heron-2x): 1 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/70-07-06/models.md
Every aircraft: https://openairdocs.org/ad/70-07-06/aircraft.md

Its text cites no advisory circulars or STCs.

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