# AD 66-29-04: Elevator Hinge Beam Shroud

- Type: Airworthiness directive
- Status: Current
- Products: Vickers-Armstrongs Viscount 744, Viscount 745D and Viscount 810
- Effective: November 19, 1966
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-304
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0259627167B455FC8625699F005FB0C3.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/66-29-04

## The airworthiness directive

66-29-04 VICKERS: Amdt. 39-304 Part 39 Federal Register November 9, 1966. Applies to Viscount Models 744, 745D, and 810 Series Airplanes.

Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent fouling between the trailing edge of the elevator hinge beam shroud and the elevator skin lap joint, accomplish the following:

  (a) Visually inspect top and bottom shrouds on elevator hinge beam assemblies to unsure that clearance between trailing edge of shroud and forward edge of elevator skin lap joints or rivet heads is not less than 0.20 inch throughout full range of elevator movement.

  (b) If clearance is less than 0.20 inch, cut back trailing edge of hinge beam shroud to provide clearance of at least 0.20 inch but less than 0.25 inch throughout full range of elevator movement.

(British Aircraft Corporation (B.A.C.) Ltd. Preliminary Technical Leaflet (PTL) No. 263, Issue 1, (700 Series) and No. 126, Issue 1) (800/810 Series) pertain to this subject.)

This directive effective November 19, 1966.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-814](https://openairdocs.org/tcds/A-814): Vickers-Armstrongs (Aircraft Limited); names 3 of 3 models: Viscount 810, Viscount 744, Viscount 745D

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.