Federal Register - March 17, 2021
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Source: Federal Register
Federal Register / Vol. 86, No. 50 / Wednesday, March 17, 2021 / Proposed Rules f Compliance Comply with this AD within the compliance times specified, unless already done.
h No Alternative Actions or Intervals
accordance with 14 CFR 39.19, send your request to your principal inspector or responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the certification office, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 5162287300; fax 5167945531. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office.
2 Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, New York ACO Branch,
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After the existing maintenance or inspection program has been revised as required by paragraph g of this AD, no alternative actions e.g., inspections or intervals may be used unless the actions or intervals, are approved as an alternative method of compliance AMOC in accordance with the procedures specified in paragraph i1 of this AD.
i Other FAA AD Provisions The following provisions also apply to this AD:
1 Alternative Methods of Compliance AMOCs: The Manager, New York ACO
Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In
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g Maintenance or Inspection Program Revision 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
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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.
FAA; or Transport Canada Civil Aviation TCCA; or Bombardier Inc.s TCCA Design Approval Organization DAO. If approved by the DAO, the approval must include the DAO-authorized signature.
j Related Information 1 Refer to Mandatory Continuing Airworthiness Information MCAI Canadian AD CF201637, dated November 25, 2016, for related information. This MCAI may be found in the AD docket on the internet at https www.regulations.gov by searching for and locating Docket No. FAA20201181.
2 For more information about this AD, contact Aziz Ahmed, Aerospace Engineer, Airframe and Propulsion Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone
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e Reason 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.
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