AD 69-10-02

69-10-02 VICKERS: Amdt. 39-765. Applies to Viscount Models 744, 745D and 810 Series Airplanes.

Compliance required within the next 1500 hours' time in service after the effective date of this AD, unless already accomplished.

To improve the fire protection of air system ducting adjacent to cabin compressor outlets in the engine nacelles, accomplish the following:

(a) For Viscount Models 744, 745D and 810 Series airplanes, replace glasscloth ducts on the outlet side of the cabin compressor in the right inboard, the right outboard and the left inboard engine nacelle with aluminum alloy ducts in accordance with BAC Modification Bulletin No. D3198 Issue 2 (700 Series) or FG.2070 Issue 2 (810 Series) or later ARB-approved issue or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East region.

(b) For Viscount Model 810 Series airplanes only, replace the right and left inboard nacelle fiber glass saddle brackets with stainless steel saddle brackets in accordance with BAC Modification Bulletin No. FG.2070 Issue 2 (800 Series) or later ARB-approved issue or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East region.

This amendment is effective 12 June 1969.