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2021-21-01 AIRBUS HELICOPTERS DEUTSCHLAND GMBH: Amendment 39-21761; Docket No. FAA-2021-0611; Project Identifier MCAI-2021-00038-R.
(a) EFFECTIVE DATE

    This airworthiness directive (AD) is effective December 10, 2021.

(b) AFFECTED ADS

    This AD replaces AD 2019-05-06,  Amendment 39-19588 (84 FR 8961, March
    13, 2019) (AD 2019-05-06)

(c) APPLICABILITY

    This AD applies to Airbus Helicopters Deutschland GmbH Model  EC135P1,
    EC135P2, EC135P2+,  EC135P3, EC135T1,  EC135T2, EC135T2+,  and EC135T3
    helicopters, all serial numbers up to 1276 inclusive, certificated  in
    any category, with an affected  hoist as identified in European  Union
    Aviation Safety  Agency (EASA)  AD 2021-0011,  dated January  12, 2021
    (EASA AD 2021-0011).

(d) SUBJECT

    Joint Aircraft System Component  (JASC)  Code  2500,  Cabin Equipment/
    Furnishings.

(e) UNSAFE CONDITION

    This AD was prompted by a  report that a hook detached from  the hoist
    cable. The FAA is issuing this AD to address detachment of a hook from
    a hoist cable resulting in inflight failure of the hoist, which  could
    result in injury to persons being lifted.

(f) COMPLIANCE

    Comply with this AD within the compliance times specified,  unless al-
    ready done.

(g) RETAINED REQUIREMENTS OF  PARAGRAPH  (E)  OF  AD 2019-05-06,  WITH  NO
    CHANGES

    This paragraph restates the requirements of paragraph (e)  of AD 2019-
    05-06, with no changes. For Model EC135P1, EC135P2, EC135P2+, EC135P3,
    EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters:  Within  90 hours
    time-in-service (TIS)  after April 17, 2019  (the effective date of AD
    2019-05-06) and thereafter at intervals not to exceed 180 hours TIS:

(1) Inspect the hook assembly and determine whether the elastomeric energy
    absorber has taken a permanent compression set by following the Accom-
    plishment Instructions,  paragraphs 2.A and 2.B,  of  Goodrich Service
    Bulletin No. 44301-10-17 Revision 4, dated July 26, 2017 (SB 44301-10-
    17). If the elastomeric energy absorber has taken a permanent compres-
    sion  set, replace  the elastomeric  energy absorber  before the  next
    hoist operation.

(2) Replace the retaining ring  by  following  the Accomplishment Instruc-
    tions, paragraphs 2.D through 2.K, of SB 44301-10-17.

(h) NEW REQUIREMENTS

    Except as specified in paragraph (i)  of this AD:  Comply with all re-
    quired actions and compliance times specified in,  and  in  accordance
    with, EASA AD 2021-0011.

(i) EXCEPTIONS TO EASA AD 2021-0011

(1) Where EASA AD 2021-0011 refers to its effective date, this AD requires
    using the effective date of this AD.

(2) Paragraphs (1) and (2) of EASA AD 2021-0011  do not apply  to this AD.
    The equivalent FAA requirements are specified in paragraph (g) of this
    AD.

(3) The "Remarks" section of EASA AD 2021-0011 does not apply to this AD.

(4) Where the service information  referenced  in EASA AD 2021-0011 speci-
    fies to discard certain parts,  this AD requires  removing those parts
    from service.

(5) Where paragraph (3) of EASA AD 2021-0011  specifies a method of accom-
    plishment  of certain  actions, this  AD requires  replacing the  text
    "modify the affected hoist in accordance with the instructions of  the
    modification ASB," with "modify the affected hoist in accordance  with
    paragraphs 3.B.1 and 3.B.2  of the Accomplishment Instructions  of the
    modification ASB."

(6) Where the service information  referenced  in EASA AD 2021-0011 speci-
    fies to use tooling, equivalent tooling may be used.

(7) Accomplishing the modification specified  in paragraph (3)  of EASA AD
    2021-0011 or the replacement  specified  in  paragraph (4)  of EASA AD
    2021-0011 terminates the repetitive actions required  by paragraph (g)
    of this AD.

(8) Where paragraph (6) of EASA AD 2021-0011  refers  to  October 25, 2017
    (the effective date of EASA AD 2017-0199), this AD requires using  the
    effective date of  this AD; and  where paragraph (6)  of EASA AD  2021
    -0011 specified to  do actions "as  required by paragraph  (1) of this
    [EASA] AD," for this AD, do  the actions required by paragraph (g)  of
    this AD.

(9) Paragraph (7) of EASA AD 2021-0011 does not apply to this AD. For this
    AD, for helicopters that do  not have an affected hoist  identified in
    paragraph (c) of this AD installed:  As of the effective date of  this
    AD, do not  install an affected  hoist identified in  paragraph (c) of
    this AD on any helicopter.

(j) SPECIAL FLIGHT PERMIT

    Special flight permits may be issued in accordance with 14 CFR  21.197
    and 21.199 to operate the helicopter to a location where the  required
    actions can be done  to the helicopter (if  the operator elects to  do
    so), provided the hoist is not used.

(k) ALTERNATIVE METHODS OF COMPLIANCE (AMOCS)

(1) The Manager, International Validation Branch,  FAA,  has the authority
    to approve AMOCs for this AD, if requested using the procedures  found
    in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to
    your principal inspector or local Flight Standards District Office, as
    appropriate. If  sending information  directly to  the manager  of the
    International  Validation  Branch, send  it  to the  attention  of the
    person identified in paragraph (l)(2)  of this AD. Information may  be
    emailed to: 9-AVS-AIR730-AMOC@faa.gov.

(2) Before using any approved AMOC,  notify your appropriate principal in-
    spector, or lacking  a principal inspector,  the manager of  the local
    flight standards district office/certificate holding district office.

(l) RELATED INFORMATION

(1) Airbus  Helicopters  Alert  Service  Bulletin  No.  ASB EC135-85A-069,
    Revision  0,  dated  August  2, 2017,  which  is  not  incorporated by
    reference, contains additional information about the actions specified
    in  paragraph  (g)  of this  AD.  To  obtain a  copy  of  this service
    information,  contact  Airbus  Helicopters  using  the  information in
    paragraph (m)(6)  of this  AD. You  may view  a copy  of this  service
    information at the  FAA using the  information in paragraph  (m)(7) of
    this AD.

(2) For more information  about this AD,  contact  Jacob Fitch,  Aerospace
    Engineer,  COS Program Management Section,  Operational Safety Branch,
    Compliance & Airworthiness Division, FAA,  10101 Hillwood Pkwy. , Fort
    Worth, TX 76177; phone: (817) 222-4130; email: jacob.fitch@faa.gov.

(m) MATERIAL INCORPORATED BY REFERENCE

(1) The Director of the Federal Register  approved  the  incorporation  by
    reference (IBR) of  the service information  listed in this  paragraph
    under 5 U.S.C. 552(a) and 1 CFR part 51.

(2) You must use this service information  as applicable to do the actions
    required by this AD, unless this AD specifies otherwise.

(3) The following service information was approved for IBR on December 10,
    2021.

(i) European Union Aviation  Safety  Agency  (EASA)  AD  2021-0011,  dated
    January 12, 2021.

(ii) [Reserved]

(4) The following service information  was approved  for  IBR on April 17,
    2019 (84 FR 8961, March 13, 2019).

(i) Goodrich Service Bulletin No. 44301-10-17, Revision 4,  dated July 26,
    2017.

Note 1 to paragraph (m)(4)(i):  Goodrich Service Bulletin No. 44301-10-17,
Revision 4,  dated July 26, 2017,  is attached to Airbus Helicopters Alert
Service Bulletin No. EC135-85A-069 Revision 0, dated August 2, 2017, which
is not incorporated by reference in this AD.

(ii) [Reserved]

(5) For EASA AD 2021-0011, contact the EASA, Konrad-Adenauer-Ufer 3, 50668
    Cologne, Germany;  phone: +49 221 8999 000; email: ADs@easa.europa.eu;
    Internet: www.easa.europa.eu.  You may find  this EASA AD  on the EASA
    website at https://ad.easa.europa.eu.

(6) For Goodrich service information identified in this AD, contact Airbus
    Helicopters, 2701 N Forum Drive, Grand Prairie, TX 75052; phone: (972)
    641-0000 or (800) 232-0323; fax: (972) 641-3775;  or  at  https://www.
    airbus.com/helicopters/services/technical-support.html.

(7) You may view  this  service  information  at  the  FAA,  Office of the
    Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N-321,
    Fort Worth, TX 76177.  For  information  on  the  availability of this
    material at the FAA, call 817-222-5110.  This material may be found in
    the AD docket on the Internet at https://www.regulations.gov by search
    -ing for and locating Docket No. FAA-2021-0611.

(8) You may view this material that is incorporated  by reference  at  the
    National Archives and Records Administration (NARA).  For  information
    on the availability of this material at NARA, email fr.inspection@nara
    .gov,  or  go  to:  https://www.archives.gov/federal-register/cfr/ibr-
    locations.html.

Issued on September 27, 2021. Lance T. Gant,  Director,  Compliance & Air-
worthiness Division, Aircraft Certification Service

FOR FURTHER INFORMATION CONTACT: Jacob Fitch, Aerospace Engineer, COS Pro-
gram Management Section, Operational Safety Branch, Compliance & Airworth-
iness Division, FAA,  10101 Hillwood Pkwy.,  Fort Worth, TX 76177;  phone:
(817) 222-4130; email: jacob.fitch@faa.gov.
PREAMBLE 

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2021-0611; Project Identifier MCAI-2021-00038-R;
Amendment 39-21761; AD 2021-21-01]
RIN 2120-AA64

Airworthiness Directives
; Airbus Helicopters Deutschland GmbH
Helicopters

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2019-05-
06, which applied to certain Airbus Helicopters Deutschland GmbH Model
EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and
EC135T3 helicopters. AD 2019-05-06 required replacing the retaining
ring, inspecting the hoist cable hook assembly, and, if necessary,
replacing the elastomeric energy absorber. This AD continues to require
the actions specified in AD 2019-05-06, and also requires a
modification or replacement of the hoist cable hook assembly that would
terminate the repetitive inspections and retaining ring replacements,
as specified in a European Union Aviation Safety Agency (EASA) AD,
which is incorporated by reference. This AD was prompted by a report
that a hook detached from the hoist cable. The FAA is issuing this AD
to address the unsafe condition on these products.

DATES: This AD is effective December 10, 2021.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of December 10,
2021.
The Director of the Federal Register approved the incorporation by
reference of a certain other publication listed in this AD as of April
17, 2019 (84 FR 8961, March 13, 2019).

ADDRESSES: For EASA material incorporated by reference (IBR) in this
AD, contact the EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany;
phone: +49 221 8999 000; email: ADs@easa.europa.eu; internet
www.easa.europa.eu. You may find this material on the EASA website at
https://ad.easa.europa.eu. For service information identified in this
AD, contact Airbus Helicopters, 2701 N Forum Drive, Grand Prairie, TX
75052; phone: (972) 641-0000 or (800) 232-0323; fax: (972) 641-3775; or
at https://www.airbus.com/helicopters/services/technical-support.html.
You may view this material at the FAA, Office of the Regional Counsel,
Southwest Region, 10101 Hillwood Pkwy., Room 6N-321, Fort Worth, TX
76177. For information on the availability of this material at the FAA,
call 817-222-5110. It is also available in the AD docket on the
internet at https://www.regulations.gov by searching for and locating
Docket No. FAA-2021-0611.

Examining the AD Docket

You may examine the AD docket on the internet at https://www.regulations.gov
by searching for and locating Docket No. FAA-2021-
0611; 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, any comments received, and other information. The
address for Docket Operations is U.S. Department of Transportation,
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200
New Jersey Avenue SE, Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Jacob Fitch, Aerospace Engineer, COS
Program Management Section, Operational Safety Branch, Compliance &
Airworthiness Division, FAA, 10101 Hillwood Pkwy., Fort Worth, TX
76177; phone: (817) 222-4130; email: jacob.fitch@faa.gov.

SUPPLEMENTARY INFORMATION:

Background

The EASA, which is the Technical Agent for the Member States of the
European Union, has issued EASA AD 2021-0011, dated January 12, 2021
(EASA AD 2021-0011) (also referred to as the Mandatory Continuing
Airworthiness Information, or the MCAI), to correct an unsafe condition
for Airbus Helicopters Deutschland GmbH (AHD) (formerly Eurocopter
Deutschland GmbH, Eurocopter Espa[ntilde]a S.A.) Model EC135P1,
EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3,
EC635P2+, EC635P3, EC635T1, EC635T2+, and EC635T3 helicopters, all
serial numbers up to 1276 inclusive. Model EC635P2+, EC635P3, EC635T1,
EC635T2+, and EC635T3 helicopters 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 helicopters in the applicability.
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 to supersede AD 2019-05-06, Amendment 39-19588 (84 FR 8961,
March 13, 2019) (AD 2019-05-06). AD 2019-05-06 applied to certain
Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+,
EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. The NPRM
published in the Federal Register on August 3, 2021 (86 FR 41791). The
NPRM was prompted by a report that a hook detached from the hoist
cable. The NPRM proposed to continue to require the actions specified
in AD 2019-05-06, as specified in an EASA AD. The NPRM also proposed to
require a modification or replacement of the hoist cable hook assembly
that would terminate the repetitive inspections and retaining ring
replacements, as specified in an EASA AD.
The FAA is issuing this AD to address detachment of a hook from a
hoist cable resulting in inflight failure of the hoist, which could
result in injury to persons being lifted. See the MCAI for additional
background information.

Discussion of Final Airworthiness Directive

Comments

The FAA gave the public the opportunity to participate in
developing this final rule. The FAA received no comments on the NPRM or
on the determination of the cost to the public.

Change to This Final Rule

The FAA has revised the format of paragraph (i)(5) of this AD.

Conclusion

The FAA reviewed the relevant data and determined that air safety
and the public interest require adopting this final rule with the
change described previously and 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
Do not add any additional burden upon the public than was
already proposed in the NPRM.
The FAA also determined that these changes will not increase the
economic burden on any operator or increase the scope of this final
rule.

Related Service Information Under 1 CFR Part 51

EASA AD 2021-0011 specifies procedures for replacing the retaining
ring; inspecting the hoist cable hook assembly; replacing the
elastomeric energy absorber; and modifying the hoist cable hook
assembly or replacing an affected hoist with a serviceable hoist, which
terminates the repetitive inspections and replacements.
This AD also requires Goodrich Service Bulletin No. 44301-10-17,
Revision 4, dated July 26, 2017, which the Director of the Federal
Register approved for incorporation by reference as of April 17, 2019
(84 FR 8961, March 13, 2019).
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.

Other Related Service Information

Airbus Helicopters has issued Alert Service Bulletin No. ASB EC135-
85A-069, Revision 0, dated August 2, 2017. The service information
describes procedures for inspecting each affected hook assembly,
replacing the retaining ring, and replacing the elastomeric energy
absorber.

Costs of Compliance

The FAA estimates that this AD affects 341 helicopters of U.S.
registry. The FAA estimates the following costs to comply with this AD:

Estimated Costs

Action Labor cost Parts cost Cost per product Cost on U.S. operators
Retained inspections and replacements of the retaining ring from AD 2019-05-06 0.5 work-hour x $85 per hour = $42.50 per inspection cycle Minimal $42.50 per inspection cycle $14,492.50 per inspection cycle
New modification 1 work-hour x $85 per hour = $85 Negligible $85 $28,985

The FAA estimates the following costs to do any necessary on-
condition replacement of the elastomeric energy absorber that would be
required based on the results of any required inspections. The FAA has
no way of determining the number of aircraft that might need this on-
condition replacement:

On-Condition Costs

Action Labor cost Parts cost Cost per product
Replacement of the elastomeric energy absorber 0.5 work-hour x $85 per hour = $42.50 $2,152 $2,194.50

According to the manufacturer, some or all of the costs of this AD
may be covered under warranty, thereby reducing the cost impact on
affected operators. The FAA does not control warranty coverage for
affected operators. As a result, the FAA has included all known costs
in the cost estimate.

Authority for This Rulemaking

Title 49 of the United States Code specifies the FAA's 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 Agency's authority.
The FAA is issuing this rulemaking under the authority described in
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 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 responsibilities among the various
levels of government.
For the reasons discussed above, I certify that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Will not affect intrastate aviation in Alaska, and
(3) Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39


Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.

The Amendment

Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES


1. The authority citation for part 39 continues to read as follows:

Authority: 49 U.S.C. 106(g), 40113, 44701.

Sec. 39.13 [Amended]


2. The FAA amends Sec. 39.13 by:

a. Removing Airworthiness Directive (AD) 2019-05-06, Amendment 39-19588
(84 FR 8961, March 13, 2019); and

b. Adding the following new AD: