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Airworthiness directives › 2021-13-12

AD 2021-13-12 Airworthiness Directives; Bombardier, Inc., Airplanes

2021-09-09
2021-08-05
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Airframe
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Applicability*9

This AD applies to all Bombardier, Inc., Model CL-600-1A11 (600), CL-600-2A12 (601), and CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes, certificated in any category.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

Within 30 days after the effective date of this AD: Revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in the applicable time limits/maintenance checks (TLMC) revision specified in figure 1 to paragraph (g) of this AD. The initial compliance time for doing the tasks is at the time specified in the TLMC, or within 30 days after the effective date of this AD, whichever occurs later. BILLING CODE 4910-13-P ER05AU21.037 BILLING CODE 4910-13-C

Unsafe condition

This AD was prompted by reports of corrosion on the passenger door internal structure of in-service airplanes. This AD was further prompted by a determination that new or more restrictive airworthiness limitations are necessary. The FAA is issuing this AD to address corrosion on the passenger door internal structure and consequent loss of the structural integrity of the forward passenger door.

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