[Federal Register Volume 86, Number 241 (Monday, December 20, 2021)]
[Rules and Regulations]
[Pages 71823-71825]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2021-27408]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2020-1069; Project Identifier 2018-CE-039-AD; Amendment 
39-21854; AD 2021-25-10]
RIN 2120-AA64


Airworthiness Directives; Daher Aerospace (Type Certificate 
Previously Held by SOCATA) Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for 
certain Daher Aerospace (type certificate previously held by SOCATA) 
(Daher) Model TBM 700 airplanes. This AD results from mandatory 
continuing airworthiness information (MCAI) originated by an aviation 
authority of another country to identify and correct an unsafe 
condition on an aviation product. The unsafe condition that is the 
subject of the MCAI is ice accumulation on the oil cooler air inlet 
duct fin. This AD requires modifying the oil cooler air induction duct. 
The FAA is issuing this AD to address the unsafe condition on these 
products.

DATES: This AD is effective January 24, 2022.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of January 24, 
2022.

ADDRESSES: For service information identified in this final rule, 
contact Daher Aerospace Inc., Pompano Beach Airpark, 601 NE 10 Street, 
Pompano Beach, FL 33060; phone: (954) 893-1400; website: https://www.tbm.aero. You may view this service information at the FAA, 
Airworthiness Products Section, Operational Safety Branch, 901 Locust, 
Kansas City, MO 64106. For information on the availability of this 
material at the FAA, call (817) 222-5110. It is also available at 
https://www.regulations.gov by searching for and locating Docket No. 
FAA-2020-1069.

Examining the AD Docket

    You may examine the AD docket at https://www.regulations.gov by 
searching for and locating Docket No. FAA-2020-1069; 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 
MCAI, 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: Greg Johnson, Aviation Safety 
Engineer, FAA, General Aviation & Rotorcraft Section, International 
Validation Branch, 901 Locust, Room 301, Kansas City, MO 64106; phone: 
(720) 626-5462; fax: (816) 329-4090; email: [email protected].

SUPPLEMENTARY INFORMATION:

Background

    The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 
CFR part 39 by adding an AD that would apply to Daher Model TBM 700 
airplanes with certain oil cooler air induction ducts installed. The 
NPRM published in the Federal Register on August 18, 2021 (86 FR 
46160). The NPRM was based on MCAI from the European Aviation Safety 
Agency (EASA), which is the Technical Agent for the Member States of 
the European Union. EASA issued AD 2018-0133, dated June 22, 2018, and 
corrected June 25, 2018 (referred to after this as ``the MCAI''), to 
address the unsafe condition on certain Daher Model TBM 700 airplanes. 
The MCAI states:

    During flight testing in icing conditions, oil temperature 
increase was observed. Subsequent investigation determined that the 
loss of efficiency of the oil cooler system was due to ice 
accumulation on the engine air induction duct fins.
    This condition, if not corrected, could lead to uncommanded 
engine in-flight shut-down and reduced control of the aeroplane.
    To address this potential unsafe condition, DAHER AEROSPACE 
developed MOD 70-0616-79 for aeroplanes in production, removing the 
4 upper fins of the oil cooler air induction duct to avoid ice 
accumulation, available for in-service aeroplanes through the SB 
[Daher Aerospace Service Bulletin 70-254, dated April 18, 2018].
    For the reasons described above, this [EASA] AD requires 
modification of the oil cooler air induction duct.

    You may examine the MCAI in the AD docket at https://www.regulations.gov by searching for and locating Docket No. FAA-2020-
1069.
    Although the unsafe condition statement in the MCAI identifies the 
cause as ice accumulation on the engine air induction fin, the FAA has 
determined that this does not accurately identify the affected air 
path. The affected area is the oil cooler air inlet duct fin.
    In the NPRM, the FAA proposed to require modifying the oil cooler 
air

[[Page 71824]]

induction duct. The FAA is issuing this AD to prevent ice from 
accumulating on the oil cooler air induction duct fins, which could 
lead to an increase in oil temperature, uncommanded engine inflight 
shutdown, and reduced airplane control.

Discussion of Final Airworthiness Directive

Comments

    The FAA received no comments on the NPRM or on the determination of 
the costs.

Conclusion

    This product has been approved by the aviation authority of another 
country and is approved for operation in the United States. Pursuant to 
the FAA's bilateral agreement with this State of Design Authority, it 
has notified the FAA of the unsafe condition described in the MCAI 
referenced above. 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 
products. This AD is adopted as proposed in the NPRM.

Related Service Information Under 1 CFR Part 51

    The FAA reviewed Daher Aerospace Service Bulletin SB 70-254, dated 
April 2018. The service information specifies procedures for removing 
the four upper fins of the oil cooler air induction duct and for re-
identifying the oil cooler air induction duct with a new part number. 
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 also reviewed Daher Aerospace Service Bulletin SB 70-231, 
Revision 1, dated July 2018; and Daher Aerospace Service Bulletin SB 
70-219, Revision 2, dated July 2018. The service information identifies 
the kit number and installation procedures for replacing the oil cooler 
air induction duct.

Costs of Compliance

    The FAA estimates that this AD will affect up to 807 airplanes of 
U.S. registry. The FAA also estimates that it would take about 3 work-
hours per airplane to comply with the requirements of this AD. The 
average labor rate is $85 per work-hour. Required parts will cost about 
$50 per airplane.
    Based on these figures, the FAA estimates the total cost of this AD 
on U.S. operators to be $246,135 or $305 per airplane.

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 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

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 adding the following new airworthiness 
directive:

2021-25-10 Daher Aerospace (Type Certificate Previously Held by 
SOCATA): Amendment 39-21854; Docket No. FAA-2020-1069; Project 
Identifier 2018-CE-039-AD.

(a) Effective Date

    This airworthiness directive (AD) is effective January 24, 2022.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Daher Aerospace (type certificate previously 
held by SOCATA) Model TBM 700 airplanes, all serial numbers, 
certificated in any category, with an oil cooler air induction duct 
part number (P/N) T700A7920040001, T700H792000900000, 
T700H792001900000, T700H792001900200, T700H792001900400, or 
T700H792001900600 installed.
    Note 1 to paragraph (c) of this AD: The applicable oil cooler 
air induction duct P/Ns may be installed in accordance with 
modification 70-0435-79; Daher Aerospace Service Bulletin SB 70-231, 
Revision 1, dated July 2018; or Daher Aerospace Service Bulletin SB 
70-219, Revision 2, dated July 18, 2018.

(d) Subject

    Joint Aircraft System Component (JASC) Code 7900, Engine Oil 
System (Airframe).

(e) Unsafe Condition

    This AD was prompted by mandatory continuing airworthiness 
information (MCAI) originated by an aviation authority of another 
country to identify and correct an unsafe condition on an aviation 
product. The unsafe condition that is the subject of the MCAI is ice 
accumulation on the oil cooler air inlet duct fin. The FAA is 
issuing this AD to prevent ice from accumulating on the oil cooler 
air induction duct fins, which could lead to an increase in oil 
temperature, uncommanded engine inflight shutdown, and reduced 
airplane control.

(f) Compliance

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

(g) Modify the Oil Cooler Air Induction Duct

    (1) Within 3 months after the effective date of this AD, remove 
the four upper fins of the oil cooler air induction duct and re-
identify the oil cooler air induction duct in accordance with the 
Description of Accomplishment Instructions in Daher Aerospace 
Service Bulletin SB 70-254, dated April 2018.
    (2) As of the effective date of this AD, do not install an oil 
cooler air induction duct P/N T700A7920040001, T700H792000900000, 
T700H792001900000, T700H792001900200, T700H792001900400, or 
T700H792001900600 on any airplane.

[[Page 71825]]

(h) 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 certification office, send it to the 
attention of the person identified in paragraph (i)(1) of this AD 
and email 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.

(i) Related Information

    (1) For more information about this AD, contact Greg Johnson, 
Aviation Safety Engineer, FAA, General Aviation & Rotorcraft 
Section, International Validation Branch, 901 Locust, Room 301, 
Kansas City, MO 64106; phone: (720) 626-5462; fax: (816) 329-4090; 
email: [email protected].
    (2) Refer to European Aviation Safety Agency (EASA) AD 2018-
0133, dated June 22, 2018, and corrected June 25, 2018, for more 
information. You may examine the EASA AD in the AD docket at https://www.regulations.gov by searching for and locating it in Docket No. 
FAA-2020-1069.

(j) 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 the AD specifies otherwise.
    (i) Daher Aerospace Service Bulletin SB 70-254, dated April 
2018.
    (ii) [Reserved]
    (3) For Daher Aerospace service information identified in this 
AD, contact Daher Aerospace Inc., Pompano Beach Airpark, 601 NE 10 
Street, Pompano Beach, FL 33060; phone: (954) 893-1400; website: 
https://www.tbm.aero.
    (4) You may view this referenced service information at the FAA, 
Airworthiness Products Section, Operational Safety Branch, 901 
Locust, Kansas City, MO 64106. 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 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 December 3, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness Division, Aircraft Certification 
Service.
[FR Doc. 2021-27408 Filed 12-17-21; 8:45 am]
BILLING CODE 4910-13-P


