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2022-12-08 ROBINSON HELICOPTER COMPANY:
Amendment 39-22080; Docket No. FAA-2022-0676; Project Identifier AD-2022-00533-R.

(a) EFFECTIVE DATE

    This airworthiness directive (AD) is effective June 29, 2022.

(b) AFFECTED ADS

    None.

(c) APPLICABILITY

    This AD applies to the Robinson Helicopter Company helicopters identi-
    fied in paragraphs (c)(1) through (3) of this AD,  certificated in any
    category.

(1) Model R22 BETA helicopters,  serial  numbers  (S/Ns) 4825 through 4857
    inclusive, 4860, and 4861.

(2) Model R44 helicopters,  S/Ns 2625 through 2669 inclusive, 30061, 30071
    through 30080 inclusive, 30083, and 30084.

Note 1 to paragraph (c)(2):  Helicopters with an R44 Cadet designation are
Model R44 helicopters.

(3) Model R44 II helicopters,  S/Ns 14364,  14412 through 14512 inclusive,
    14514 through 14517 inclusive,  14519  through  14521  inclusive,  and
    14525.

(d) SUBJECT

    Joint Aircraft System Component (JASC) Code: 2797, Flight Control Sys-
    tem Wiring; 7697, Engine Control System Wiring;  and 7714,  Engine RPM
    Indicating System.

(e) UNSAFE CONDITION

    This AD was prompted  by reports of intermittent or abnormal operation
    of the engine  revolutions per minute  (RPM) governor (governor).  The
    FAA is issuing this AD to prevent failure of the governor. The  unsafe
    condition,  if  not addressed,  could  result in  engine  overspeed or
    underspeed conditions  during flight,  loss of  engine thrust control,
    increased  pilot  workload,  reduced control  of  the  helicopter, and
    subsequent emergency landing or loss of control of the helicopter.

(f) COMPLIANCE

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

(g) REQUIRED ACTIONS

    Within 15 hours time-in-service or 15 days after the effective date of
    this AD, whichever occurs first:

(1) For Model R22 BETA helicopters,  inspect the engine RPM  sensor wiring
    and modify the wiring connection to the airframe harness  by following
    paragraphs 1 through 31 of the Kit Instructions in Robinson R22-series
    Governor & Engine RPM Sensor Connector  Upgrade Kit Instructions,  KI-
    288 Revision A,  dated February 23, 2022,  except you are not required
    to discard parts.

(2) For Model R44 and R44 II helicopters,  inspect  the  engine RPM sensor
    wiring and  modify the wiring connection  to  the  airframe harness by
    following paragraphs 1 through 41 of the Kit Instructions  in Robinson
    R44-series Governor & Engine RPM Sensor Connector Upgrade Kit Instruc-
    tions, KI-287 Revision A, dated February 23, 2022,  except you are not
    required to discard parts.

(h) SPECIAL FLIGHT PERMITS

    Special flight permits are prohibited.

(i) ALTERNATIVE METHODS OF COMPLIANCE (AMOCS)

(1) The Manager, Los Angeles ACO 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
    certification  office,  send  it  to  the  attention  of  the   person
    identified in paragraph (j) of this AD. Information may be emailed to:
    9-ANM-LAACO-AMOC-REQUESTS@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.

(j) RELATED INFORMATION

    For more information about this AD,  contact Jeffrey Chang,  Aerospace
    Engineer,  Propulsion  Section,  Los Angeles ACO Branch,  Compliance &
    Airworthiness Division, FAA, 3960 Paramount Blvd., Lakewood, CA 90712;
    telephone (562) 627-5263; email jeffrey.chang@faa.gov.

(k) MATERIAL INCORPORATED BY REFERENCE

(1) The Director of the Federal Register  approved  the  incorporation  by
    reference 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 the AD specifies otherwise.

(i) Robinson R22-series Governor & Engine RPM Sensor Connector Upgrade Kit
    Instructions, KI-288 Revision A, dated February 23, 2022.

(ii) Robinson R44-series  Governor & Engine RPM Sensor  Connector  Upgrade
     Kit Instructions, KI-287 Revision A, dated February 23, 2022.

(3) For Robinson service information identified in this AD, contact Robin-
    son Helicopter Company,  Technical  Support  Department,  2901 Airport
    Drive, Torrance, CA 90505;  telephone  (310) 539-0508;  fax (310) 539-
    5198; email ts1@robinsonheli.com; or at https://robinsonheli.com.

(4) You may view this service information  at 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.

(5) You may view  this service information  that is incorporated by refer-
    ence 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 June 2, 2022. Gaetano A Sciortino, Deputy Director for Strategic
Initiatives,  Compliance & Airworthiness Division,  Aircraft Certification
Service.

FOR FURTHER INFORMATION CONTACT: Jeffrey Chang,  Aerospace Engineer,  Pro-
pulsion Section,  Los Angeles ACO Branch, Compliance & Airworthiness Divi-
sion, FAA, 3960 Paramount Blvd., Lakewood, CA 90712;  telephone (562) 627-
5263; email jeffrey.chang@faa.gov.
PREAMBLE 

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2022-0676; Project Identifier AD-2022-00533-R;
Amendment 39-22080; AD 2022-12-08]
RIN 2120-AA64

Airworthiness Directives; Robinson Helicopter Company Helicopters

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

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

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain Robinson Helicopter Company Model R22 BETA, R44, and R44 II
helicopters. This AD was prompted by reports of intermittent or
abnormal operation of the engine revolutions per minute (RPM) governor
(governor). This AD requires inspecting the engine RPM sensor wiring
and installing a wiring kit. The FAA is issuing this AD to address the
unsafe condition on these products.

DATES: This AD is effective June 29, 2022.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of June 29,
2022.
The FAA must receive comments on this AD by July 29, 2022.

ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
Federal eRulemaking Portal: Go to https://www.regulations.gov. Follow the instructions
for submitting comments.
Fax: (202) 493-2251.
Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE, Washington, DC 20590.
Hand Delivery: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
For service information identified in this final rule, contact
Robinson Helicopter Company, Technical Support Department, 2901 Airport
Drive, Torrance, CA 90505; telephone (310) 539-0508; fax (310) 539-
5198; email ts1@robinsonheli.com; or at https://robinsonheli.com. 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. Service information that is
incorporated by reference is also available at https://www.regulations.gov by searching
for and locating Docket No. FAA-2022-0676.

Examining the AD Docket

You may examine the AD docket at https://www.regulations.gov by
searching for and locating Docket No. FAA-2022-0676; 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 street address for the
Docket Operations is listed above.

FOR FURTHER INFORMATION CONTACT: Jeffrey Chang, Aerospace Engineer,
Propulsion Section, Los Angeles ACO Branch, Compliance & Airworthiness
Division, FAA, 3960 Paramount Blvd., Lakewood, CA 90712; telephone
(562) 627-5263; email jeffrey.chang@faa.gov.

SUPPLEMENTARY INFORMATION:

Background

The FAA is adopting a new AD for certain serial-numbered Robinson
Helicopter Company Model R22 BETA, R44, and R44 II helicopters. This AD
was prompted by reports of intermittent or abnormal operation of the
governor. In normal conditions, a properly functioning governor
maintains engine speed within acceptable limits. Intermittent or
abnormal operation of the governor may result in engine overspeed or
underspeed conditions during flight. If the engine governor
malfunctions, the pilot may assume manual throttle control by firmly
gripping the throttle and overriding the governor's friction clutch, or
by switching the governor off. In the event of low rotor RPM, an alarm
sounds. This condition, if not addressed, could result in reduced
control of the helicopter and subsequent emergency landing or loss of
control of the helicopter. The FAA is issuing this AD to address the
unsafe condition on these products.

FAA's Determination


The FAA is issuing this AD because the agency has determined the
unsafe condition described previously is likely to exist or develop in
other products of the same type designs.

Related Service Information Under 1 CFR Part 51

The FAA reviewed Robinson R22-series Governor & Engine RPM Sensor
Connector Upgrade Kit Instructions, KI-288 Revision A, and Robinson
R44-series Governor & Engine RPM Sensor Connector Upgrade Kit
Instructions, KI-287 Revision A, each dated February 23, 2022. This
service information specifies procedures to inspect the engine RPM
sensor wiring for damage, repair that wiring, and modify the governor
wiring connection to the airframe harness with different connectors for
improved clearance and strain relief.
This service information is reasonably available because the
interested parties have access to it through their normal course of
business or by the means identified in ADDRESSES.

Other Related Service Information

The FAA reviewed Robinson Helicopter Company R22 Service Bulletin
SB-119, and Robinson Helicopter Company R44 Service Bulletin SB-111,
each dated February 23, 2022. This service information specifies
inspecting the sensor wiring, installing a governor wiring kit, and
accomplishing the starting engine and run-up checklist to verify proper
governor operation.

AD Requirements

This AD requires inspecting the engine RPM sensor wiring for
damage, and depending on the outcome, accomplishing repairs. This AD
also requires modifying the governor wiring connection to the airframe
harness by installing wiring kit KI-288 for Model R22 BETA helicopters
and wiring kit KI-287 for Model R44 and R44 II helicopters.

Interim Action

The FAA considers this AD to be an interim action as the design
approval holder continues to investigate the unsafe condition identified in this
AD. If final action is later identified, the FAA might consider further
rulemaking then.

Justification for Immediate Adoption and Determination of the Effective
Date


Section 553(b)(3)(B) of the Administrative Procedure Act (APA) (5
U.S.C. 551 et seq.) authorizes agencies to dispense with notice and
comment procedures for rules when the agency, for ``good cause,'' finds
that those procedures are ``impracticable, unnecessary, or contrary to
the public interest.'' Under this section, an agency, upon finding good
cause, may issue a final rule without providing notice and seeking
comment prior to issuance. Further, section 553(d) of the APA
authorizes agencies to make rules effective in less than thirty days,
upon a finding of good cause.
An unsafe condition exists that requires the immediate adoption of
this AD without providing an opportunity for public comments prior to
adoption. The FAA has found that the risk to the flying public
justifies foregoing notice and comment prior to adoption of this rule
because the next predicted event of intermittent or abnormal operation
of a governor is within three months. In light of this, the required
actions must be accomplished within 15 hours time-in-service or 15
days, whichever occurs first. This compliance time is shorter than the
time necessary for the public to comment and for publication of the
final rule. Accordingly, notice and opportunity for prior public
comment are impracticable and contrary to the public interest pursuant
to 5 U.S.C. 553(b)(3)(B).
In addition, the FAA finds that good cause exists pursuant to 5
U.S.C. 553(d) for making this amendment effective in less than 30 days,
for the same reasons the FAA found good cause to forego notice and
comment.

Comments Invited

The FAA invites you to send any written data, views, or arguments
about this final rule. Send your comments to an address listed under
ADDRESSES. Include ``Docket No. FAA-2022-0676 and Project Identifier
AD-2022-00533-R'' at the beginning of your comments. The most helpful
comments reference a specific portion of the final rule, explain the
reason for any recommended change, and include supporting data. The FAA
will consider all comments received by the closing date and may amend
this final rule because of those comments.
Except for Confidential Business Information (CBI) as described in
the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments 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 final rule.

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 AD 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 AD, 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 AD. Submissions containing CBI should be sent to Jeffrey
Chang, Aerospace Engineer, Propulsion Section, Los Angeles ACO Branch,
Compliance & Airworthiness Division, FAA, 3960 Paramount Blvd.,
Lakewood, CA 90712; telephone (562) 627-5263; email
jeffrey.chang@faa.gov. Any commentary that the FAA receives which is
not specifically designated as CBI will be placed in the public docket
for this rulemaking.

Regulatory Flexibility Act


The requirements of the Regulatory Flexibility Act (RFA) do not
apply when an agency finds good cause pursuant to 5 U.S.C. 553 to adopt
a rule without prior notice and comment. Because FAA has determined
that it has good cause to adopt this rule without prior notice and
comment, RFA analysis is not required.

Costs of Compliance

The FAA estimates that this AD affects 43 helicopters (4 Model R22
BETA helicopters and 39 Model R44 and R44 II helicopters) of U.S.
Registry. Labor rates are estimated at $85 per work-hour. Based on
these numbers, the FAA estimates the following costs to comply with
this AD.
Inspecting the wiring and installing wiring kit KI-288 for Model
R22 BETA helicopters takes about 3.5 work-hours and parts cost about
$75 for an estimated cost of $373 per helicopter and $1,492 for the
U.S. fleet (4 Model R22 BETA helicopters).
Inspecting the wiring and installing wiring kit KI-287 for Model
R44 and R44 II helicopters takes about 4.5 work-hours and parts cost
about $125 for an estimated cost of $508 per helicopter and $19,812 for
the U.S. fleet (39 Model R44 and R44 II helicopters).

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, and
(2) Will not affect intrastate aviation in Alaska.

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 adding the following new airworthiness
directive: