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AD 66-20-02 ACTIVE

Engine Fire Extinguishing System
Key Information
AD Number 66-20-02 Status Active
Effective Date August 13, 1966 Issue Date Not specified
Docket Number Unknown Amendment 39-273
Product Type ["Aircraft"] Product Subtype ["Small Airplane"]
CFR Part --- - Part 39 CFR Section N/A
Citation Federal Register: August 13, 1966
Applicability
Manufacturer(s) de Havilland Aircraft Co., Ltd., The
Model(s) 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
Regulatory Text

66-20-02 HAWKER SIDDELEY: Amdt. 39-273, Part 39, Federal Register August 13, 1966. Applies to de Havilland Model 104 Dove Series Airplanes Equipped With an Engine Fire Extinguisher System.

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

(a) Inspect the engine air intake fire extinguishing system nozzle assembly to determine that 0.25 inch diameter radial holes are present in nozzle jet, P/N P.117. Replace each nozzle jet without 0.25 inch diameter radial holes with jet, P/N P.117e, with 0.25 inch diameter radial holes.

(b) Inspect the engine fire extinguishing system to determine that proper fire extinguisher bottle and flexible hoses from the fire extinguisher bottle to the firewall and from the firewall to the distributor are installed in accordance with Hawker Siddeley Aviation Ltd. Technical News Sheet CT (104) No. 196, Issue 1, or later ARB-approved issue or an FAA- approved equivalent. Replace improper fire extinguisher bottles and flexible hoses.

Hawker Siddeley Aviation Limited Technical News Sheet Dove (104) Series CT (104) No. 195, Issue 1, pertains to this subject.)

This directive effective August 13, 1966.