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AD/EMB-120/41 - Bleed Air System
Embraer EMB-120 (Brasilia) Series AeroplEmbraer EMB-120 (Brasilia) Series Aeroplanes
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Embraer EMB-120 (Brasilia) Series Aeroplanes
| AD/EMB-120/41 | Bleed Air System | 3/2006 |
|---|
| Applicability: | All model EMB-120( ) aeroplanes. |
|---|---|
| Requirement: | If not previously accomplished, replace the bleed air system shut-off and crossbleed valves part number (P/N) 979626-4-1 with valves P/N 979626-6 in accordance with Embraer Service Bulletin 120-36-0016 dated 30 October 2003 or later revision approved by the Centro Técnico Aeroespacial. |
| Note: DAC (Brazil) AD 2005-12-03 refers. | |
| Compliance: | Within 5000 hours time in services after the effective date of this Directive. |
| This Airworthiness Directive becomes effective on 16 March 2006. | |
| Background: | The Brazilian Departamento de Aviação Civil (DAC) has advised that the aircraft manufacturer has conducted a review of the fuel system to ensure compliance with United States Special Federal Aviation Regulation (SFAR) 88.The review verified that the replacement of the current bleed air system shut-off and crossbleed valves with others featuring hermetically sealed switches was required to preclude a possible ignition source in the vicinity of the fuel tanks. |
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James Coyne
Delegate of the Civil Aviation Safety Authority
1 February 2006