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Federal Register / Vol. 86, No. 235 / Friday, December 10, 2021 / Rules and Regulations
www.regulations.gov by searching for and locating Docket No. FAA2021
0826.
Examining the AD Docket You may examine the AD docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210826; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the EASA AD, any comments received, and other information. The address for Docket Operations is U.S.
Department of Transportation, Docket Operations, M30, West Building Ground Floor, Room W12140, 1200
New Jersey Avenue SE, Washington, DC
20590.
FOR FURTHER INFORMATION CONTACT:
Darren Gassetto, Aerospace Engineer, COS Program Management Section, Operational Safety Branch, Compliance & Airworthiness Division, FAA, 1600
Stewart Ave., Suite 410, Westbury, NY
11590; telephone 516 2287323; email Darren.Gassetto@faa.gov.
SUPPLEMENTARY INFORMATION:
Background EASA, which is the Technical Agent for the Member States of the European Union, has issued EASA AD 20210066, dated March 8, 2021 EASA AD 2021
0066, to correct an unsafe condition for Airbus Helicopters Deutschland GmbH
formerly Eurocopter Deutschland GmbH and Eurocopter Espana S.A.
Model EC135 P2+, EC135 P3, EC135
T2+, EC135 T3, EC635 P2+, EC635 P3, EC635 T1, EC635 T2+, and EC635 T3
helicopters, serial numbers S/Ns 0866
to 1166 inclusive, except S/Ns 1007, 1102, and 1145, and except helicopters on which Airbus Helicopters Service Bulletin EC13585063 has been embodied in service. Model EC635 P2+, EC635 P3, EC635 T1, EC635 T2+, and
EC635 T3 helicopters are not certificated by the FAA and are not included on the U.S. type certificate data sheet, except where the U.S. type certificate data sheet explains that the Model EC635T2+ helicopter having serial number 0858 was converted from Model EC635T2+ to Model EC135T2+.
This AD, therefore, does not include Model EC635 P2+, EC635 P3, EC635 T1, EC635 T2+, and EC635 T3 helicopters in the applicability.
The FAA issued a notice of proposed rulemaking NPRM to amend 14 CFR
part 39 by adding an AD that would apply to certain Airbus Helicopters Deutschland GmbH Model EC135P2+, EC135P3, EC135T2+, and EC135T3
helicopters. The NPRM published in the Federal Register on September 23, 2021
86 FR 52851. The NPRM was prompted by reports that aft and forward fitting assemblies, having part number L851M2810103, were installed as part of the outboard load system on helicopters having S/Ns 0886 and up.
The affected fitting assemblies are not approved for installation on helicopters having those serial numbers. Operators of those helicopters might not be aware of the applicable overhaul or life limits for those fitting assemblies. The NPRM
proposed to require inspecting the aft and forward fitting assemblies of the outboard load system to determine the part number, re-identifying the part if necessary, inspecting each affected part for damage which may be indicated by signs of corrosion, mechanical damage, loose rivets, or cracks and, depending on the findings, corrective actions, as specified in EASA AD 20210066.
The FAA is issuing this AD to address failure of affected aft and forward fitting assemblies and consequent loss of external cargo, resulting in personal injury or injury to persons on the ground. See EASA AD 20210066 for additional background information.

Discussion of Final Airworthiness Directive Comments The FAA received no comments on the NPRM or on the determination of the costs.
Conclusion These helicopters have been approved by EASA and are approved for operation in the United States. Pursuant to the FAAs bilateral agreement with the European Union, EASA has notified the FAA about the unsafe condition described in its AD. The FAA reviewed the relevant data and determined that air safety requires adopting this AD as proposed. Accordingly, the FAA is issuing this AD to address the unsafe condition on these helicopters. Except for minor editorial changes, this AD is adopted as proposed in the NPRM.
Related Service Information Under 1
CFR Part 51
EASA AD 20210066 requires a onetime inspection of each aft and forward fitting assembly of the outboard load system to identify the part number, re-identifying the part number if necessary, a one-time inspection of an affected fitting assembly for damage, and corrective action. The corrective action includes replacing any damaged fitting.
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.
Costs of Compliance The FAA estimates that this AD
affects 69 helicopters of U.S. Registry.
The FAA estimates the following costs to comply with this AD.

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ESTIMATED COSTS
Action
Labor cost
Inspection to determine fitting assembly part number.

0.50 work-hour $85 per hour = $42.50

The FAA estimates the following costs to do any necessary actions that would be required based on the results
of the inspection. The agency has no way of determining the number of
Cost per product
Parts cost $0

Cost on U.S.
operators
$42.50

$2,932.50

helicopters that might need these actions:

ON-CONDITION COSTS
Action
Labor cost
Re-identification of affected fitting assembly with part number.

0.25 work-hour $85 per hour = $21.25

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Cost per product
Parts cost
10DER1

$0

$21.25