
[Federal Register Volume 74, Number 111 (Thursday, June 11, 2009)]
[Rules and Regulations]
[Pages 27689-27691]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: E9-13576]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2009-0531; Directorate Identifier 2009-CE-030-AD; 
Amendment 39-15938; AD 2009-12-15]
RIN 2120-AA64


Airworthiness Directives; GROB-Werke Model G120A Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments

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SUMMARY: We are adopting a new airworthiness directive (AD) for the 
products listed above. This AD results from mandatory continuing 
airworthiness information (MCAI) issued by the aviation authority of 
another country to identify and correct an unsafe condition on an 
aviation product. The MCAI describes the unsafe condition as:

    The manufacturer has advised of receiving a report from a G 120A 
operator of an electrical fire caused by a chafed/scorched cable 
loom. It has been found that the RH main power distribution cable 
chafed on the instrument panel combing. It is likely that vibrations 
made the wiring to chafe. The chafing caused eventually electrical 
arcing and subsequently an in-flight fire that damaged partially the 
instrument panel cover.

This AD requires actions that are intended to address the unsafe 
condition described in the MCAI.

DATES: This AD becomes effective July 1, 2009.
    On July 1, 2009, the Director of the Federal Register approved the 
incorporation by reference of certain publications listed in this AD.
    We must receive comments on this AD by July 13, 2009.

ADDRESSES: You may send comments by any of the following methods:
     Federal eRulemaking Portal: Go to http://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: U.S. Department of Transportation, Docket 
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New 
Jersey Avenue, SE., Washington, DC 20590, between 9 a.m. and 5 p.m., 
Monday through Friday, except Federal holidays.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://www.regulations.gov; or in person at the Docket Management Facility 
between 9 a.m. and 5 p.m., Monday through Friday, except Federal 
holidays. The AD docket contains this AD, the regulatory evaluation, 
any comments received, and other information. The street address for 
the Docket Office (telephone (800) 647-5527) is in the ADDRESSES 
section. Comments will be available in the AD docket shortly after 
receipt.

FOR FURTHER INFORMATION CONTACT: Karl Schletzbaum, Aerospace Engineer, 
FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, 
Missouri 64106; telephone: (816) 329-4146; fax: (816) 329-4090.

SUPPLEMENTARY INFORMATION: 

Discussion

    The European Aviation Safety Agency (EASA), which is the Technical 
Agent for the Member States of the European Community, has issued AD 
No.: 2009-0107, dated May 8, 2009 (referred to after this as ``the 
MCAI''), to correct an unsafe condition for the specified products. The 
MCAI states:

    The manufacturer has advised of receiving a report from a G 120A 
operator of an electrical fire caused by a chafed/scorched cable 
loom. It has been found that the RH main power distribution cable 
chafed on the instrument panel combing. It is likely that vibrations 
made the wiring to chafe. The chafing caused eventually electrical 
arcing and subsequently an in-flight fire that damaged partially the 
instrument panel cover.
    For the reasons stated above, this new AD mandates inspection of 
all cable looms in the front of the instrument panel cover, repair 
as necessary and installation of a protective cover on the edge of 
the instrument panel combing.

    You may obtain further information by examining the MCAI in the AD 
docket.

Relevant Service Information

    GROB Aircraft AG has issued Service Bulletin No. MSB1121-108, dated 
March 18, 2009, and Service Bulletin No. MSB1121-108/1, dated April 27, 
2009. The actions described in this service information are intended to 
correct the unsafe condition identified in the MCAI.

FAA's Determination and Requirements of the AD

    This product has been approved by the aviation authority of another 
country, and is approved for operation in the United States. Pursuant 
to our bilateral agreement with this State of Design Authority, they 
have notified us of the unsafe condition described in the MCAI and 
service information referenced above. We are issuing this AD because we 
evaluated all information provided by the State of Design Authority and 
determined the unsafe condition exists and is likely to exist or 
develop on other products of the same type design.

Differences Between This AD and the MCAI or Service Information

    We have reviewed the MCAI and related service information and, in 
general, agree with their substance. But we might have found it 
necessary to use different words from those in the MCAI to ensure the 
AD is clear for U.S. operators and is enforceable. In making these 
changes, we do not intend to differ substantively from the information 
provided in the MCAI and related service information.
    We might have also required different actions in this AD from those 
in the MCAI in order to follow FAA policies. Any such differences are 
described in a separate paragraph of the AD. These requirements take 
precedence over those copied from the MCAI.

FAA's Determination of the Effective Date

    An unsafe condition exists that requires the immediate adoption of 
this AD. The FAA has found that the risk to the flying public justifies 
waiving notice and comment prior to adoption of this rule because if 
left uncorrected, the power distribution cable could chafe leading to 
electrical arcing and an in-flight fire. Therefore, we determined that 
notice and opportunity for public comment before issuing this AD are 
impracticable and that good cause exists for making this amendment 
effective in fewer than 30 days.

Comments Invited

    This AD is a final rule that involves requirements affecting flight 
safety, and we did not precede it by notice and opportunity for public 
comment. We invite you to send any written relevant

[[Page 27690]]

data, views, or arguments about this AD. Send your comments to an 
address listed under the ADDRESSES section. Include ``Docket No. FAA-
2009-0531; Directorate Identifier 2009-CE-030-AD'' at the beginning of 
your comments. We specifically invite comments on the overall 
regulatory, economic, environmental, and energy aspects of this AD. We 
will consider all comments received by the closing date and may amend 
this AD because of those comments.
    We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We 
will also post a report summarizing each substantive verbal contact we 
receive about this AD.

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.
    We are 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

    We determined that 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) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979); 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.
    We prepared a regulatory evaluation of the estimated costs to 
comply with this AD and placed it in the AD docket.

List of Subjects in 14 CFR Part 39

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

Adoption of the Amendment

0
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 AD:

2009-12-15 GROB-Werke: Amendment 39-15938; Docket No. FAA-2009-0531; 
Directorate Identifier 2009-CE-030-AD.

Effective Date

    (a) This airworthiness directive (AD) becomes effective July 1, 
2009.

Affected ADs

    (b) None.

Applicability

    (c) This AD applies to Model G120A airplanes, serial numbers 
85001 through 85007 and 85026 through 85034, certificated in any 
category.

Subject

    (d) Air Transport Association of America (ATA) Code 24: Electric 
Power.

Reason

    (e) The mandatory continuing airworthiness information (MCAI) 
states:

    ``The manufacturer has advised of receiving a report from a G 
120A operator of an electrical fire caused by a chafed/scorched 
cable loom. It has been found that the RH main power distribution 
cable chafed on the instrument panel combing. It is likely that 
vibrations made the wiring to chafe. The chafing caused eventually 
electrical arcing and subsequently an in-flight fire that damaged 
partially the instrument panel cover.
    ``For the reasons stated above, this new AD mandates inspection 
of all cable looms in the front of the instrument panel cover, 
repair as necessary and installation of a protective cover on the 
edge of the instrument panel combing.''

Actions and Compliance

    (f) Unless already done, do the following actions.
    (1) Before further flight after July 1, 2009 (the effective date 
of this AD), inspect the electrical cables for chafing and scorching 
marks in accordance with the accomplishment instructions of GROB 
Aircraft AG Service Bulletin No. MSB1121-108, dated March 18, 2009, 
or GROB Aircraft AG Service Bulletin No. MSB1121-108/1, dated April 
27, 2009.
    (2) If any chafe, burn, or scorch mark is found during the 
inspection required in paragraph (f)(1) of this AD, before further 
flight, replace the damaged cable(s) in accordance with the FAA 
Advisory Circular 43.13-1B Change 1, dated September 27, 2001, and 
install a protective cover on the attachment edge of the instrument 
panel combing in accordance with the accomplishment instructions of 
GROB Aircraft AG Service Bulletin No. MSB1121-108, dated March 18, 
2009, or GROB Aircraft AG Service Bulletin No. MSB1121-108/1, dated 
April 27, 2009. You may get a copy of the FAA Advisory Circular on 
the Internet at http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAdvisoryCircular.nsf/Frameset?OpenPage.
    (3) If no chafe, burn, or scorch mark is found during the 
inspection required in paragraph (f)(1) of this AD, within the next 
100 hours time-in-service (TIS) after July 1, 2009 (the effective 
date of this AD), install a protective cover on the attachment edge 
of the instrument panel combing in accordance with the 
accomplishment instructions of GROB Aircraft AG Service Bulletin No. 
MSB1121-108, dated March 18, 2009, or GROB Aircraft AG Service 
Bulletin No. MSB1121-108/1, dated April 27, 2009.
    (4) Thereafter, at intervals not to exceed every 200 hours TIS, 
repeat the inspection of the electrical cables for chafing and 
scorching marks in accordance with the accomplishment instructions 
of GROB Aircraft AG Service Bulletin No. MSB1121-108/1, dated April 
27, 2009.

FAA AD Differences

    Note: This AD differs from the MCAI and/or service information 
as follows: No differences.

Other FAA AD Provisions

    (g) The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, 
Standards Office, FAA, has the authority to approve AMOCs for this 
AD, if requested using the procedures found in 14 CFR 39.19. Send 
information to ATTN: Karl Schletzbaum, Aerospace Engineer, FAA, 
Small Airplane Directorate, 901 Locust, Room 301, Kansas City, 
Missouri 64106; telephone: (816) 329-4146; fax: (816) 329-4090. 
Before using any approved AMOC on any airplane to which the AMOC 
applies, notify your appropriate principal inspector (PI) in the FAA 
Flight Standards District Office (FSDO), or lacking a PI, your local 
FSDO.
    (2) Airworthy Product: For any requirement in this AD to obtain 
corrective actions from a manufacturer or other source, use these 
actions if they are FAA-approved. Corrective actions are considered 
FAA-approved if they are approved by the State of Design Authority 
(or their delegated agent). You are required to assure the product 
is airworthy before it is returned to service.
    (3) Reporting Requirements: For any reporting requirement in 
this AD, under the

[[Page 27691]]

provisions of the Paperwork Reduction Act (44 U.S.C. 3501 et seq.), 
the Office of Management and Budget (OMB) has approved the 
information collection requirements and has assigned OMB Control 
Number 2120-0056.

Related Information

    (h) Refer to MCAI European Aviation Safety Agency (EASA) AD No.: 
2009-0107, dated May 8, 2009; GROB Aircraft AG Service Bulletin No. 
MSB1121-108, dated March 18, 2009; and GROB Aircraft AG Service 
Bulletin No. MSB1121-108/1, dated April 27, 2009, for related 
information.

Material Incorporated by Reference

    (i) You must use GROB Aircraft AG Service Bulletin No. MSB1121-
108, dated March 18, 2009; and GROB Aircraft AG Service Bulletin No. 
MSB1121-108/1, dated April 27, 2009, to do the actions required by 
this AD, unless the AD specifies otherwise.
    (1) The Director of the Federal Register approved the 
incorporation by reference of this service information under 5 
U.S.C. 552(a) and 1 CFR part 51.
    (2) For service information identified in this AD, contact GROB 
Aircraft AG/Customer Service, 86874 Tussenhausen-Mattsies, Germany; 
telephone: +49 (0) 8268-998-105; fax: + 49 (0) 8268-998-200; e-mail 
aircraft.com">productsupport@grob-aircraft.com; Internet: http://www.grob-aircraft.eu/service-and-support/g-120/documentation/service-bulletins.html.
    (3) You may review copies of the service information 
incorporated by reference for this AD at the FAA, Central Region, 
Office of the Regional Counsel, 901 Locust, Kansas City, Missouri 
64106. For information on the availability of this material at the 
Central Region, call (816) 329-3768.
    (4) You may also review copies of the service information 
incorporated by reference for this AD at the National Archives and 
Records Administration (NARA). For information on the availability 
of this material at NARA, call (202) 741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.

    Issued in Kansas City, Missouri on June 4, 2009.
Kim Smith,
Manager, Small Airplane Directorate, Aircraft Certification Service.
[FR Doc. E9-13576 Filed 6-10-09; 8:45 am]
BILLING CODE 4910-13-P


