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Federal Register / Vol. 86, No. 210 / Wednesday, November 3, 2021 / Rules and Regulations Information, or the MCAI, to correct an unsafe condition for all Airbus SAS
A330201, A330202, A330203, A330
223, A330223F, A330243, A330
243F, A330301, A330302, A330303, A330321, A330322, A330323, A330
341, A330342, A330343, A330743L, A330841, A330941, A340211, A340
212, A340213, A340311, A340312, A340313, A340541, A340542, A340
642 and A340643 airplanes. Model A330743L, A340542, and A340643
airplanes are not certificated by the FAA
and are not included on the U.S. type certificate data sheet; this AD therefore does not include those airplanes in the applicability.
The FAA issued a notice of proposed rulemaking NPRM to amend 14 CFR
part 39 to supersede AD 20202105, Amendment 3921278 85 FR 64963, October 14, 2020 AD 20202105. AD
20202105 applied to all Airbus SAS
Model A330200 Freighter, A330200, A330300, A330900, A340200, A340
300, A340500 and A340600 series.
The NPRM published in the Federal Register on May 21, 2020 86 FR 27540.
The NPRM was prompted by reports of a fuel pump showing cavitation erosion that exposed the fuel pump power supply wires, and by a determination that certain compliance times need to be revised and that additional airplanes are
subject to the unsafe condition. The NPRM proposed to retain the requirements of AD 20202105, revise certain compliance times, and expand the applicability, as specified in EASA
AD 20200283.
The FAA is issuing this AD to address fuel pump erosion caused by cavitation.
If this condition is not addressed, a pump running dry could result in a fuel tank explosion and consequent loss of the airplane. See the MCAI for additional background information.
Comments The FAA gave the public the opportunity to participate in developing this final rule. The FAA has considered the comments received. P. Grande and The Air Line Pilots Association, International ALPA indicated support for the NPRM.
Conclusion The FAA reviewed the relevant data, considered the comments received, and determined that air safety and the public interest require adopting this final rule as proposed, except for minor editorial changes. The FAA has determined that these minor changes:
Are consistent with the intent that was proposed in the NPRM for addressing the unsafe condition; and
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Do not add any additional burden upon the public than was already proposed in the NPRM.
Related Service Information Under 1
CFR Part 51
EASA AD 20200283 describes procedures for repetitive inspections of all affected parts, replacement if necessary, updating of the applicable Master Minimum Equipment List MMEL, and certain maintenance actions related to defueling and ground fuel transfer operations.
This material is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section.
Interim Action The FAA considers this AD interim action. If final action is later identified, the FAA might consider further rulemaking then.
Costs of Compliance The FAA estimates that this AD
affects 112 airplanes of U.S. registry.
The FAA estimates the following costs to comply with this AD:

ESTIMATED COSTS FOR REQUIRED ACTIONS
Action
Labor cost
Retained actions from AD 20202105

Up to 72 work-hours $85 per hour = Up to $6,375.
Up to 72 work-hours $85 per hour = Up to $6,375.
1 work-hour $85 = $85

New proposed actions
MEL revision

The FAA estimates the following costs to do any necessary on-condition actions that would be required based on
Cost per product
Parts cost
the results of any required actions. The FAA has no way of determining the
Cost on U.S.
operators
$0

Up to $6,375

Up to $714,000.

0

Up to $6,375

Up to $714,000.

0

$85

$9,520.

number of aircraft that might need these on-condition actions:

ESTIMATED COSTS OF ON-CONDITION ACTIONS
Labor cost
Parts cost
Up to 126 work-hours $85 per hour = Up to $10,710

Up to $173,680

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Authority for This Rulemaking Title 49 of the United States Code specifies the FAAs authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. Subtitle VII:
Aviation Programs, describes in more detail the scope of the Agencys authority.
The FAA is issuing this rulemaking under the authority described in
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Subtitle VII, Part A, Subpart III, Section 44701: General requirements. Under that section, Congress charges the FAA
with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce.
This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or
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Cost per product Up to $184,390.

develop on products identified in this rulemaking action.
Regulatory Findings This AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and
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