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Airworthiness directives › 2012-03-08

AD 2012-03-08 Airworthiness Directives; Bombardier, Inc. Airplanes

2012-04-04
2012-02-29
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Airframe
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Applicability*9

This AD applies to Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes having serial numbers (S/Ns) 10003 through 10230 inclusive; and Model CL-600-2D15 (Regional Jet Series 705) airplanes; and Model CL-600-2D24 (Regional Jet Series 900) airplanes having S/Ns 15001 through 15053 inclusive, 15055, and 15056; certificated in any category.

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

For Model CL-600-2C10 (Regional Jet series 700 & 701) series airplanes, S/Ns 10003 through 10230 inclusive; and Model CL-600-2D24 (Regional Jet series 900) series airplanes, S/Ns 15002 through 15053 inclusive, 15055, and 15056: Perform the initial inspection specified in paragraph (h) of this AD at the applicable time specified in paragraph (g)(1) or (g)(2) of this AD. (1) For airplanes with fewer than 1,500 total flight cycles as of November 3, 2003 (the effective date of AD 2003-19-51, Amendment 39-13353 (68 FR 61615, October 29, 2003)): Do the inspections before the accumulation of 1,050 total flight cycles, or within 50 flight cycles after August 15, 2006 (the effective date of AD 2006-14-05, Amendment 39-14676 (71 FR 38979, July 11, 2006)), whichever is later. (2) For airplanes with 1,500 or more total flight cycles as of November 3, 2003: Do the inspections within 10 flight cycles after August 15, 2006.

Unsafe condition

This AD was prompted by further analysis of the main landing gear (MLG) door by the manufacturer. We are issuing this AD to prevent failure of the lower panel of the MLG door, departure of the lower panel from the airplane, and consequent damage to airplane structure, which could adversely affect the airplane's continued safe flight and landing.

Affected ADs

This AD supersedes AD 2006-14-05, Amendment 39-14676 (71 FR 38979, July 11, 2006).

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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