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AD/EMB-145/11 - APU Firewall
Embraer EMB-135 and EMB-145 Series AeropEmbraer EMB-135 and EMB-145 Series Aeroplanes
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Embraer EMB-135 and EMB-145 Series Aeroplanes
| AD/EMB-145/11 | APU Firewall | 8/2008 |
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| Applicability: | Model EMB-145 aircraft, serial numbers 145004 through 145019. |
|---|---|
| Requirement: | Inspect the APU firewall for cracks in accordance with Part I of EMBRAER Service Bulletin No. 145-53-0004, or later CTA/ANA approved revision.Note: Installation of the vibration damper in accordance with Part II of the Requirement document constitutes terminating action to the inspection requirement of this Directive. |
| Compliance: | At intervals not to exceed 100 flight hours; until Part II of the Requirement document is accomplished. |
| This Airworthiness Directive becomes effective on 31 July 2008. | |
| Background: | Reports were received of cracks in the shell spot welded area of EMB-145 aircraft APU firewalls. Undetected cracking could affect the structural integrity and sealing function of the firewall. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
17 June 2008