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Airworthiness directives › 2013-11-07

AD 2013-11-07 Airworthiness Directives; Embraer S.A. Airplanes

2013-07-09
2013-06-04
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Airframe
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Models named: ERJ 190-100 STD, -100 LR, -100 ECJ, -100 IGW, ERJ 190-200 STD, -200 LR, -200 IGW. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to Embraer S.A. Model ERJ 190-100 STD, -100 LR, -100 ECJ, and -100 IGW airplanes; and Model ERJ 190-200 STD, -200 LR, and -200 IGW airplanes; certificated in any category; as identified in the service information specified in paragraphs (c)(1) and (c)(2) of this AD. (1) EMBRAER Service Bulletin 190-57-0036, Revision 02, dated August 12, 2011. (2) EMBRAER Service Bulletin 190LIN-57-0016, dated June 10, 2011.

Compliance

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.

Required actions

Within 100 flight cycles after the effective date of this AD: Measure the left-hand (LH) and right-hand (RH) MLG side stay support fitting to detect bushing migration, in accordance with Part I of the Accomplishment Instructions of EMBRAER Service Bulletin 190-57-0036, Revision 02, dated August 12, 2011 (for Model ERJ 190-100 STD, -100 LR, and -100 IGW airplanes; and Model ERJ 190-200 STD, -200 LR, and -200 IGW airplanes); or EMBRAER Service Bulletin 190LIN-57-0016, dated June 10, 2011 (for Model ERJ 190-100 ECJ airplanes). (1) If the distance of bushing migration is less than 5 millimeters (mm), repeat the measurement required by paragraph (g) of this AD thereafter at intervals not to exceed 100 flight cycles until the actions required by paragraph (h) of this AD are accomplished. (2) If the distance of bushing migration is equal to or more than 5 mm, before further flight, do the actions required by paragraph (h) of this AD.

Unsafe condition

This AD was prompted by reports of cracks on the side stay of the main landing gear (MLG). We are issuing this AD to prevent excessive bearing friction, which might compromise the MLG free fall extension and cause fatigue cracking on the MLG side stay and on its support assembly, resulting in reduced structural integrity of the MLG.

Affected ADs

None.

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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1