Document ID: FAA-2021-0729-0004
Agency: faa
Document Type: Rule
Title: Airworthiness Directives: Bell Textron Canada Limited Helicopters
Posted Date: 2022-02-28T05:00Z

[Federal Register Volume 87, Number 39 (Monday, February 28, 2022)]
[Rules and Regulations]
[Pages 10950-10954]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2022-04159]

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2021-0729; Project Identifier MCAI-2021-00364-R; 
Amendment 39-21948; AD 2022-04-06]
RIN 2120-AA64

Airworthiness Directives; Bell Textron Canada Limited Helicopters

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2021-06-
06, which applied to certain Bell Textron Canada Limited Model 505 
helicopters. AD 2021-06-06 required repetitive fluorescent penetrant 
inspections (FPIs) of the pilot collective stick and grip assembly and 
revising the existing Rotorcraft Flight Manual (RFM) for your 
helicopter. Since the FAA issued AD 2021-06-06, the pilot collective 
stick and grip assembly has been redesigned. This AD retains certain 
requirements of AD 2021-06-06, requires modifying your helicopter to 
include the improved pilot collective stick tube and adds a terminating 
action for the repetitive FPIs. This AD also prohibits installing any 
pilot collective stick and grip assembly unless certain requirements of 
this AD are met. The FAA is issuing this AD to address the unsafe 
condition on these products.

DATES: This AD is effective April 4, 2022.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of April 4, 
2022.
    The Director of the Federal Register approved the incorporation by 
reference of certain other publications listed in this AD as of March 
31, 2021 (86 FR 14366, March 16, 2021).

ADDRESSES: For service information identified in this final rule, 
contact Bell Textron Canada Limited, 12,800 Rue de l'Avenir, Mirabel, 
Quebec J7J1R4; telephone 1-450-437-2862 or 1-800-363-8023; fax 1-450-
433-0272; email [email protected]; or at https://www.bellflight.com/support/contact-support. 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 2021-0729.

Examining the AD Docket

    You may examine the AD docket at https://www.regulations.gov by 
searching for and locating Docket No. FAA-2021-0729; 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 
Transport Canada AD, 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: Hal Jensen, Aerospace Engineer, 
Operational Safety Branch, Compliance & Airworthiness Division, FAA, 
950 L'Enfant Plaza N SW, Washington, DC 20024; telephone (202) 267-
9167; email [email protected].

SUPPLEMENTARY INFORMATION:

Background

    The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 
CFR part 39 to supersede AD 2021-06-06, Amendment 39-21473 (86 FR 
14366, March 16, 2021) (AD 2021-06-06), for Bell Textron Canada Limited 
Model 505 helicopters, serial number (S/N) 65011 and subsequent. The 
NPRM published in the Federal Register on September 14, 2021 (86 FR 
51035). In the NPRM, the FAA proposed to retain some of the 
requirements of AD 2021-06-06, including, before further flight, 
revising Section 1, the Limitations section of the existing RFM for 
your helicopter to prohibit single pilot operations from the right crew 
seat, require the pilot in command (PIC) to occupy the left crew seat 
for dual pilot operations, and depending on configuration, prohibit the 
use of SPLIT-COM mode. The NPRM also proposed to require, before 
further flight, and thereafter at intervals

[[Page 10951]]

not to exceed 25 hours time-in-service (TIS), removing the pilot 
collective stick and grip assembly and performing an FPI for a crack 
and depending on the inspection results, removing a certain part from 
service. The NPRM proposed to require, within 12 months, removing a 
certain part-numbered pilot collective stick tube from service and 
installing an improved pilot collective stick tube in accordance with 
the manufacturers service information and thereafter, removing a 
certain part-numbered pilot collective stick tube from service before 
it accumulates 300 total hours TIS.
    Additionally, the NPRM would consider certain proposed actions to 
be a terminating action for other actions proposed in the NPRM. The 
NPRM also proposed to prohibit installing any pilot collective stick 
and grip assembly unless certain proposed actions were accomplished. 
Finally, the NPRM proposed to require revising the Limitations section 
of the existing RFM for your helicopter; the owner/operator (pilot) may 
incorporate the RFM revisions and the owner/operator must enter 
compliance with the applicable paragraphs of the AD into the aircraft 
records in accordance with 14 CFR 43.9(a)(1) through (4) and 14 CFR 
91.417(a)(2)(v). This is an exception to the FAA's standard maintenance 
regulations.
    The NPRM was prompted by Transport Canada AD CF-2021-05R3, dated 
March 19, 2021 (Transport Canada AD CF-2021-05R3), issued by Transport 
Canada, which is the aviation authority for Canada, to correct an 
unsafe condition for Bell Textron Canada Limited Model 505 helicopters, 
S/Ns 65011 through 65347. Transport Canada advises that the pilot 
collective stick and grip assembly has been redesigned to address the 
root cause of the cracking. Accordingly, Transport Canada AD CF-2021-
05R3 retains the requirements of Transport Canada Emergency AD CF-2021-
05R2, dated March 4, 2021 (Transport Canada Emergency AD CF-2021-05R2), 
which prompted AD 2021-06-06, and requires installing the newly 
designed pilot collective stick and grip assembly, which is a 
terminating action for the requirements of Transport Canada Emergency 
AD CF-2021-05R2. Transport Canada AD CF-2021-05R3 also revises the 
applicability to include only helicopters that have not incorporated 
the redesigned pilot collective stick and grip assembly during 
production.
    Therefore, the FAA determined that it is necessary to supersede AD 
2021-06-06 and the required actions as proposed in the NPRM include a 
terminating action for the repetitive FPI inspections.

Discussion of Final Airworthiness Directive

Comments

    The FAA received comments from one commenter; Bell. The following 
presents the comments received on the NPRM and the FAA's response to 
each comment.

Request for Changes to the Required Actions

    Bell requested that the FAA revise the life limit of pilot 
collective stick tube part number (P/N) M207-20M301-043. Bell stated 
that 300 total hours TIS was only an interim life limit and after the 
completion of fatigue testing, the life limit of 6,250 total hours TIS 
has been approved by Transport Canada. Specifically, Bell requested 
that the FAA change the required action to, ``Replace the pilot 
collective stick tube P/N M207-20M301-043 at or before reaching its 
Life Limit as defined in Table 1 of the Maintenance Planning 
Information (MPI) Chapter 4 Airworthiness Limitations Schedule (ALS), 
BHT-505-MPI Chapter 4 Issue 09, dated 12 March 2021, or later revisions 
of the ALS approved by Transport Canada.''
    The FAA partially agrees. The FAA disagrees with changing the 
action from removing the pilot collective stick tube from service to 
``replace the pilot collective stick tube'' because this is a life 
limit and, once the life limit is reached, the part must be removed 
from service and never installed on any aircraft again. Additionally, 
due to eligibility requirements in 1 CFR part 51, the FAA cannot 
mandate use of ``later revisions'' of service information directly in 
an AD. However, the FAA agrees with the life limit threshold increasing 
from 300 total hours TIS to 6,250 total hours TIS and, accordingly has 
changed that life limit in this final rule.
    Bell requested that the FAA revise paragraph (g)(6) of the Required 
Actions that states relief under any Master Minimum Equipment List or 
Minimum Equipment List for the Audio Panel is prohibited when the 
aircraft is operated with a single pilot. Bell stated that this 
restriction is only applicable when operated from the left hand seat, 
and the aircraft must be flown from the right hand seat when SPLIT-COM 
mode is enabled. Bell further stated this is consistent with the 
limitations of the flight manual.
    The FAA agrees and has revised the required actions in this final 
rule accordingly.

Request for Changes to the Credit for Previous Actions

    Bell requested that the FAA allow credit for the required actions 
through an approved AMOC and service information. Bell stated that the 
FAA approved an AMOC to AD 2021-06-06 on March 26, 2021, which allowed 
operators to implement a terminating action based on the instructions 
contained in Bell Alert Service Bulletin 505-21-20, Revision C, dated 
March 11, 2021 (ASB 505-21-20 Rev C). Bell requested that the approved 
AMOC and ASB 505-21-20 Rev C be included in the Credit for Previous 
Actions paragraph.
    The FAA agrees with the request to allow credit; however, the FAA 
disagrees with putting this information in the Credit for Previous 
Actions paragraph. The FAA agrees that the previously approved AMOC to 
AD 2021-06-06 continues to be valid to address the unsafe condition. 
Accordingly, the FAA has revised the AMOC paragraph in this final rule 
by adding paragraph (j)(3), which states ``AMOCs approved previously 
for AD 2021-06-06 are approved as AMOCs for the corresponding 
requirements in paragraph (g) of this AD.'' Additionally, the purpose 
of the Credit for Previous Actions paragraph is to allow credit for 
required actions accomplished previously in accordance with previous 
revision(s) of service information. Since ASB 505-21-20 Rev C is 
required to accomplish certain actions in paragraph (g) of this AD, 
previous accomplishment of those actions in ASB 505-21-20 Rev C could 
be considered accomplished by paragraph (f) of this AD.

Other Changes Between the NPRM and This Final Rule

    In this final rule, the FAA has changed the effective date of 
paragraph (g)(1) from ``after the effective date of this AD'' to ``from 
March 31, 2021 (the effective date of AD 2021-06-06),'' because this 
paragraph carries-over identical required actions from paragraph (g)(1) 
of AD 2021-06-06.

Conclusion

    These helicopter have been approved by the aviation authority of 
Canada and are approved for operation in the United States. Pursuant to 
the FAA's bilateral agreement with Canada, Transport Canada, its 
technical representative, has notified the FAA of the unsafe condition 
described in its AD. The FAA reviewed the relevant data, considered the 
comments received, and determined that air safety requires adopting 
this AD as proposed. Accordingly, the FAA is

[[Page 10952]]

issuing this AD to address the unsafe condition on these helicopters. 
Except for minor editorial changes, and any other changes described 
previously, this AD is adopted as proposed in the NPRM. None of the 
changes will increase the economic burden on any operator.

Related Service Information Under 1 CFR Part 51

    The FAA reviewed ASB 505-21-20 Rev C, which provides instructions 
for an initial and repetitive FPIs for cracks in the pilot collective 
stick and grip assembly P/N M207-20M478-041/-043/-047 on Bell Textron 
Canada Limited Model 505 helicopters, serial numbers 65011 through 
65347. ASB 505-21-20 Rev C also specifies inserting a temporary 
revision (TR) into the RFM that prohibits single pilot operations from 
the right crew seat until further notice, and specifies that if the 
right crew seat pilot collective stick and grip assembly was previously 
confirmed serviceable following an FPI, then the 25 flight hour 
repetitive FPI of the right crew seat pilot collective stick and grip 
assembly is no longer required provided that the helicopter is only 
operated single PIC from the left crew seat. ASB 505-21-20 Rev C also 
introduces procedures to install an improved pilot collective stick 
tube assembly, along with its initial life limit, and which is also 
terminating action for the repetitive FPIs and temporary RFM revision.
    The FAA also reviewed Bell 505 RFM TR for Pilot Collective (ASB 
505-21-20), BHT-505-FM-1, Temporary Revision (TR-6) (BHT-505-FM-1, TR-
6) and Bell 505 RFM TR for Pilot Collective (ASB 505-21-20), BHT-505-
FM-2, Temporary Revision (TR-1), each dated March 3, 2021. These 
temporary revisions specify changes to Section 1 of the RFM Limitations 
Section that the minimum flight crew consists of one pilot that shall 
operate from the left crew seat and that dual operation is approved 
provided that the PIC occupies the left crew seat. BHT-505-FM-1, TR-6 
also prohibits use of SPLIT-COM mode.
    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 the ADDRESSES section.

Other Related Service Information

    The FAA reviewed Bell ASB 505-21-20, dated February 20, 2021 (ASB 
505-21-20), Bell ASB 505-21-20, Revision A, dated February 26, 2021 
(ASB 505-21-20 Rev A), and Bell ASB 505-21-20, Revision B, dated March 
3, 2021 (ASB 505-21-20 Rev B). ASB 505-21-20 specifies a one-time 
inspection for cracks of the pilot collective stick and grip assembly. 
ASB 505-21-20 Rev A removes the visual inspection and adds a repetitive 
FPI. ASB 505-21-20 Rev B adds the RFM temporary revision and clarifies 
the compliance time of the repetitive FPI.

Differences Between This AD and Transport Canada AD CF-2021-05R3

    This AD prohibits relief under any Master Minimum Equipment List or 
Minimum Equipment List for the Audio Panel when the aircraft is 
operated with a single pilot from the left seat, whereas Transport 
Canada AD CF-2021-05R3 does not. Transport Canada AD CF-2021-05R3 
requires the repetitive FPIs if the aircraft is not flown solely from 
the left crew seat whereas this AD requires repetitive FPIs regardless.
    Transport Canada AD CF-2021-05R3 requires operators to ``advise all 
flight crews'' of changes to the RFM, and thereafter to ``operate the 
helicopter accordingly.'' However, this AD does not specifically 
require those actions. 14 CFR 91.9 requires that no person may operate 
a civil aircraft without complying with the operating limitations 
specified in the RFM. Therefore, including a requirement in this AD to 
operate the helicopter according to the revised RFM would be redundant 
and unnecessary. Further, compliance with such a requirement in an AD 
would be impracticable to demonstrate or track on an ongoing basis; 
therefore, a requirement to operate the helicopter in such a manner 
would be unenforceable.
    This AD prohibits installing any pilot collective stick and grip 
assembly on any helicopter unless the actions required by paragraphs 
(g)(2) and (3) of this AD have been accomplished, whereas Transport 
Canada AD CF-2021-05R3 does not.

Costs of Compliance

    The FAA estimates that this AD affects 98 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.
    Revising the existing RFM for your helicopter takes about 0.5 work-
hour for an estimated cost of $43 per helicopter and up to $4,214 for 
the U.S. fleet.
    Removing, cleaning, and performing an FPI of the pilot collective 
stick and grip assembly takes about 3 work-hours for an estimated cost 
of $255 per helicopter and up to $24,990 for the U.S. fleet per 
inspection cycle.
    Installing an improved pilot collective stick tube takes about 5 
work-hours and parts cost about $1,256 for an estimated cost of $1,681 
per helicopter and up to $164,738 for the U.S. fleet per replacement 
cycle.
    The FAA has included all known costs in its cost estimate. 
According to the manufacturer, however, some of the costs of this AD 
may be covered under warranty, thereby reducing the cost impact on 
affected operators.

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:

[[Page 10953]]

PART 39--AIRWORTHINESS DIRECTIVES

0
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]

0
2. The FAA amends Sec.  39.13 by:
0
a. Removing Airworthiness Directive 2021-06-06, Amendment 39-21473 (86 
FR 14366, March 16, 2021); and
0
b. Adding the following new airworthiness directive:

2022-04-06 Bell Textron Canada Limited: Amendment 39-21948; Docket 
No. FAA-2021-0729; Project Identifier MCAI-2021-00364-R.

(a) Effective Date

    This airworthiness directive (AD) is effective April 4, 2022.

(b) Affected ADs

    This AD replaces AD 2021-06-06, Amendment 39-21473 (86 FR 14366, 
March 16, 2021) (AD 2021-06-06).

(c) Applicability

    This AD applies to Bell Textron Canada Limited Model 505 
helicopters, serial number (S/N) 65011 through 65347 inclusive, 
certificated in any category.

(d) Subject

    Joint Aircraft Service Component (JASC) Code: 6710, Main Rotor 
Control.

(e) Unsafe Condition

    This AD was prompted by a report of a cracked pilot collective 
stick and grip assembly. The FAA is issuing this AD to detect a 
cracked pilot collective stick and grip assembly. The unsafe 
condition, if not addressed, could result in failure of the pilot 
collective stick and grip assembly and subsequent loss of control of 
the helicopter.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Required Actions

    (1) From March 31, 2021 (the effective date of AD 2021-06-06), 
before further flight, revise the Limitations section of the 
existing Rotorcraft Flight Manual (RFM) for your helicopter by 
inserting Bell 505 RFM Temporary Revision (TR) for Pilot Collective 
(ASB 505-21-20), BHT-505-FM-1, Temporary Revision (TR-6) or Bell 505 
RFM TR for Pilot Collective (ASB 505-21-20), BHT-505-FM-2, Temporary 
Revision (TR-1), each dated March 3, 2021, as applicable to your 
helicopter. Using a different document with information identical to 
the information for the ``Flight Crew'' and ``Configuration,'' as 
applicable to your helicopter, in the RFM TR specified in this 
paragraph for your helicopter is acceptable for compliance with the 
requirements of this paragraph. This action may be performed by the 
owner/operator (pilot) holding at least a private pilot certificate 
and must be entered into the aircraft records showing compliance 
with this AD in accordance with 14 CFR 43.9(a)(1) through (4) and 14 
CFR 91.417(a)(2)(v). The record must be maintained as required by 14 
CFR 91.417 or 135.439.
    (2) Before further flight after the effective date of this AD, 
and thereafter at intervals not to exceed 25 hours time-in-service 
(TIS):
    (i) Remove the pilot collective stick and grip assembly from the 
jackshaft assembly and clean the areas specified in Figure 2 of Bell 
Alert Service Bulletin 505-21-20, Revision C, dated March 11, 2021 
(ASB 505-21-20 Rev C) with a clean cloth C-516C or equivalent 
moistened with dry cleaning solvent C-304 or equivalent.
    (ii) Perform a fluorescent penetrant inspection (FPI) for a 
crack by following the Accomplishment Instructions, Part I, 
paragraph 5. (but not paragraphs 5.a. and b.) of ASB 505-21-20 Rev 
C. Perform this FPI in the areas specified in Figure 2 of ASB 505-
21-20 Rev C. If there is a crack, before further flight, remove the 
pilot collective stick and grip assembly from service.
    (3) Within 12 months after the effective date of this AD, remove 
the pilot collective stick tube from service and install pilot 
collective stick tube part number (P/N) M207-20M301-043 by following 
the Accomplishment Instructions, Part II, paragraphs 3. and 4. of 
ASB 505-21-20 Rev C except where this service information specifies 
discarding parts, you are required to remove those parts from 
service instead. Thereafter, remove from service pilot collective 
stick tube P/N M207-20M301-043 before it accumulates 6,250 total 
hours TIS.
    (4) Completing the actions required in paragraph (g)(3) of this 
AD constitutes a terminating action for the requirements in 
paragraphs (g)(1) and (2) of this AD.
    (5) As of the effective date of this AD, do not install any 
pilot collective stick and grip assembly on any helicopter unless 
the actions required by paragraphs (g)(2) and (3) of this AD have 
been accomplished.
    (6) As of the effective date of this AD, relief under any Master 
Minimum Equipment List or Minimum Equipment List for the Audio Panel 
is prohibited when the aircraft is operated with a single pilot from 
the left seat.

(h) Credit for Previous Actions

    If you performed an FPI of the pilot collective stick and grip 
assembly before the effective date of this AD using Bell Alert 
Service Bulletin 505-21-20, dated February 20, 2021, Bell Alert 
Service Bulletin 505-21-20, Revision A, dated February 26, 2021, or 
Bell Alert Service Bulletin 505-21-20, Revision B, dated March 3, 
2021, you met the before further flight FPI requirement of paragraph 
(g)(2) of this AD.

(i) Special Flight Permits

    A special flight permit to a maintenance facility may be granted 
provided that:
    (1) There are no passengers on-board,
    (2) The helicopter is flown from the copilot (left) seat only, 
and
    (3) The GMA (intercom) is operative.

(j) 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 (k)(1) of 
this AD. Information may be emailed to: [email protected].
    (2) Before using any approved AMOC, notify your appropriate 
principal inspector, or lacking a principal inspector, the manager 
of the local flight standards district office/certificate holding 
district office.
    (3) AMOCs approved previously for AD 2021-06-06 are approved as 
AMOCs for the corresponding requirements in paragraph (g) of this 
AD.

(k) Related Information

    (1) For more information about this AD, contact Hal Jensen, 
Aerospace Engineer, Operational Safety Branch, Compliance & 
Airworthiness Division, FAA, 950 L'Enfant Plaza N SW, Washington, DC 
20024; telephone (202) 267-9167; email [email protected].
    (2) Bell Alert Service Bulletin 505-21-20, dated February 20, 
2021, Bell Alert Service Bulletin 505-21-20, Revision A, dated 
February 26, 2021, and Bell Alert Service Bulletin 505-21-20, 
Revision B, dated March 3, 2021, which are not incorporated by 
reference, contain additional information about the subject of this 
AD. This service information is available at the contact information 
specified in paragraphs (l)(5) and (6) of this AD.
    (3) The subject of this AD is addressed in Transport Canada AD 
CF-2021-05R3, dated March 19, 2021. You may view the Transport 
Canada AD at https://www.regulations.gov in Docket No. FAA-2021-
0729.

(l) 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.
    (3) The following service information was approved for IBR on 
April 4, 2022.
    (i) Bell Alert Service Bulletin 505-21-20, Revision C, dated 
March 11, 2021.
    (ii) [Reserved]
    (4) The following service information was approved for IBR on 
March 31, 2021 (86 FR 14366, March 16, 2021).
    (i) Bell 505 Rotorcraft Flight Manual Temporary Revision for 
Pilot Collective (ASB 505-21-20), BHT-505-FM-1, Temporary Revision 
(TR-6), dated March 3, 2021.
    (ii) Bell 505 Rotorcraft Flight Manual Temporary Revision for 
Pilot Collective (ASB 505-21-20), BHT-505-FM-2, Temporary Revision 
(TR-1), dated March 3, 2021.
    (5) For Bell service information identified in this AD, contact 
Bell Textron Canada

[[Page 10954]]

Limited, 12,800 Rue de l'Avenir, Mirabel, Quebec J7J1R4; telephone 
1-450-437-2862 or 1-800-363-8023; fax 1-450-433-0272; email 
[email protected]; or at https://www.bellflight.com/support/contact-support.
    (6) 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.
    (7) You may view this service information that is incorporated 
by reference at the National Archives and Records Administration 
(NARA). For information on the availability of this material at 
NARA, email: [email protected], or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued on February 10, 2022.
Ross Landes,
Deputy Director for Regulatory Operations, Compliance & Airworthiness 
Division, Aircraft Certification Service.
[FR Doc. 2022-04159 Filed 2-25-22; 8:45 am]
BILLING CODE 4910-13-P