CTHIn ForceLegislation
AD/HS 125/174 - Installing Insulating Blankets
British Aerospace BAe 125 Series AeroplaBritish Aerospace BAe 125 Series Aeroplanes
Start here
Get a plain-English read of British Aerospace BAe 125 Series Aeropla
Turn the raw legal text into a practical explanation grounded in AD/HS 125/174 - Installing Insulating Blankets.
British Aerospace BAe 125 Series Aeroplanes
| AD/HS 125/174 | Installing insulating blankets | 4/2005 |
|---|
| Applicability: | Raytheon model aeroplanes listed below and identified in Raytheon Service Bulletin SB 26-3496, dated November 2003, equipped with TFE731 engines: |
|---|---|
| DH.125, HS.125 and BH.125 seriesBAe.125 series 800A (C-29A and U-125) and 800BHawker 800 (including variant U-125A), andHawker 800XP | |
| Requirement: | Install insulating blankets on the engine compartment firewall and the wire harness passing through the firewall fairlead in accordance with the Accomplishment Instructions of SB 26-3496. |
| Note: FAA AD 2005-03-16 Amdt 39-13972. | |
| Compliance: | Within 12 months after the effective date of this Directive. |
| This Airworthiness Directive becomes effective on 14 April 2005. | |
| Background: | The United States Federal Aviation Administration (FAA) has received a report indicating that insulation on the wire harness passing through the firewall fairlead ignited on the fuselage side of the firewall. This Directive requires the installation of insulating blankets on the engine compartment firewall and the wire harness passing through the firewall fairlead. The Directive is issued to prevent a fire in the engine compartment from causing possible ignition of outgassing wire insulation on the fuselage side of the firewall, which could lead to an uncontrollable fire in the fuselage. |
Image unavailable in extracted text
James Coyne
Delegate of the Civil Aviation Safety Authority
3 March 2005