Embraer ERJ-170 Series Aeroplanes
Embraer ERJ-170 Series Aeroplanes
Embraer ERJ-170 Series Aeroplanes
| AD/ERJ-170/23 | Airframe Structural Components | 7/2009 |
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| Applicability: | Model ERJ 170-100 LR, ERJ 170-100 SE, ERJ 170-100 STD and ERJ 170-100 SU aircraft.Model ERJ 170-200 LR, ERJ 170-200 STD, and ERJ 170-200 SU aircraft. |
|---|---|
| Requirement: | Action in accordance with the requirements of ANAC AD 2009-04-01 Amdt39-1264. |
| Compliance: | As specified in the Requirement document, with a revised effective date of2 July 2009. |
| This Airworthiness Directive becomes effective on 2 July 2009. | |
| Background: | Cracks were detected in some structural components during ERJ 170 aircraft full scale fatigue testing. Analysis of the cracking has resulted in modifications to the aircraft Airworthiness Limitation Items to include new inspections tasks or modification of existing ones, and respective thresholds and intervals. Undetected fatigue cracking in the affected areas could adversely affect the structural integrity of the aircraft. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
19 May 2009