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Federal Register / Vol. 86, No. 33 / Monday, February 22, 2021 / Proposed Rules
received, without change, to https
www.regulations.gov, including any personal information you provide. The agency will also post a report summarizing each substantive verbal contact received about this proposed AD.
Confidential Business Information CBI is commercial or financial information that is both customarily and actually treated as private by its owner.
Under the Freedom of Information Act FOIA 5 U.S.C. 552, CBI is exempt from public disclosure. If your comments responsive to this NPRM
contain commercial or financial information that is customarily treated as private, that you actually treat as private, and that is relevant or responsive to this NPRM, it is important that you clearly designate the submitted comments as CBI. Please mark each page of your submission containing CBI
as PROPIN. The FAA will treat such marked submissions as confidential under the FOIA, and they will not be placed in the public docket of this NPRM. Submissions containing CBI
should be sent to Kathleen Arrigotti, Aerospace Engineer, Large Aircraft Section, International Validation Branch, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 2062313218. Any commentary that the FAA receives which is not specifically designated as CBI will be placed in the public docket for this rulemaking.

tkelley on DSKBCP9HB2PROD with PROPOSALS

Discussion The FAA issued AD 20200914, Amendment 3919910 85 FR 30601, May 20, 2020 AD 20200914, which applies to certain Airbus SAS Model A350941 and 1041 airplanes. AD
20200914 requires revising the existing AFM to define a liquidprohibited zone on the flight deck and provide procedures following liquid spillage on the center pedestal. AD
20200914 also requires installing a removable ICP cover on the flight deck and further revising the AFM to include instructions for ICP cover use. AD 2020
0914 superseded AD 20200312, Amendment 3919837 85 FR 7863, February 12, 2020, which applied to all Airbus SAS Model A350941 and 1041
airplanes. Both ADs required revising the existing AFM to define a liquidprohibited zone on the flight deck and provide procedures following liquid spillage on the center pedestal.
The FAA issued AD 20200914 to address the potential for dual-engine inflight shutdown IFSD, possibly resulting in a forced landing with
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consequent damage to the airplane and injury to occupants.
Actions Since AD 20200914 Was Issued The preamble to AD 20200914
explains that the FAA considers the requirements interim action and was considering further rulemaking. The FAA has now determined that further rulemaking is indeed necessary, and this proposed AD follows from that determination. Since the FAA issued AD 20200914, a new, water-resistant ICP has been developed by the manufacturer to address the identified unsafe condition.
The EASA, which is the Technical Agent for the Member States of the European Union, has issued EASA AD
20200203, dated September 23, 2020
EASA AD 20200203 also referred to as the Mandatory Continuing Airworthiness Information, or the MCAI, to correct an unsafe condition for certain Airbus SAS Model A350941
and 1041 airplanes. EASA AD 2020
0203 superseded EASA AD 20200090
which corresponds to FAA AD 2020
0914.
This proposed AD was prompted by the development of a new, waterresistant ICP to prevent damage from inadvertent liquid spillage on the center pedestal. The FAA is proposing this AD
to address the potential for dual-engine IFSD, possibly resulting in a forced landing with consequent damage to the airplane and injury to occupants. See the MCAI for additional background information.
Explanation of Retained Requirements Although this proposed AD does not explicitly restate the requirements of AD
20200914, this proposed AD would retain all requirements of AD 202009
14 and revise the applicability. Those requirements are referenced in EASA
AD 20200203, which, in turn, is referenced in paragraph g of this proposed AD.
Related Service Information Under 1
CFR Part 51
EASA AD 20200203 describes procedures for revising the AFM to define a liquid-prohibited zone on the flight deck and provide procedures following liquid spillage on the center pedestal, installing an ICP cover on the flight deck, and further revising the AFM to include instructions for ICP
cover use. EASA AD 20200203 also describes procedures for installing a new, water-resistant ICP; removing the ICP protective cover; and removing the AFM revisions. This material is reasonably available because the
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interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section.
FAAs Determination and Requirements of This Proposed AD
This product has been approved by the aviation authority of another country, and is approved for operation in the United States. Pursuant to the FAAs bilateral agreement with the State of Design Authority, the FAA has been notified of the unsafe condition described in the MCAI referenced above. The FAA is proposing this AD
because the FAA evaluated all pertinent information and determined an unsafe condition exists and is likely to exist or develop on other products of the same type design.
Proposed AD Requirements This proposed AD would require accomplishing the actions specified in EASA AD 20200203 described previously, as incorporated by reference, except for any differences identified as exceptions in the regulatory text of this AD. The FAA also proposes to revise the applicability to exclude only airplanes on which Mod 116038 was installed in production.
Additionally, for airplanes modified per Mod 116010, which introduced the removable protective ICP cover, certain AFM requirements specified in EASA
AD 20200203 would not be required by this proposed AD.
Explanation of Required Compliance Information In the FAAs ongoing efforts to improve the efficiency of the AD
process, the FAA initially worked with Airbus and EASA to develop a process to use certain EASA ADs as the primary source of information for compliance with requirements for corresponding FAA ADs. The FAA has since coordinated with other manufacturers and civil aviation authorities CAAs to use this process. As a result, EASA AD
20200203 will be incorporated by reference in the FAA final rule. This proposed AD would, therefore, require compliance with EASA AD 20200203
in its entirety, through that incorporation, except for any differences identified as exceptions in the regulatory text of this proposed AD.
Using common terms that are the same as the heading of a particular section in the EASA AD does not mean that operators need comply only with that section. For example, where the AD
requirement refers to all required actions and compliance times, compliance with this AD requirement is
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