Federal Register, Volume 74, Number 14, January 23, 2009, Pages 4115-4342 Page: 4,124
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Federal Register/Vol. 74, No. 14/Friday, January 23, 2009/Rules and Regulations
introducing the installation of a new
improved servo plug gasket, P/N
2577258, to the affected Precision
Airmotive LLC RSA-5 and RSA-10
series, and Bendix RSA-5 and RSA-10
series, fuel injection servos. We are
issuing this AD to prevent a lean
running engine, which could result in a
substantial loss of engine power and
subsequent loss of control of the
airplane.
DATES: Effective February 9, 2009.
We must receive any comments on
this AD by March 24, 2009.
ADDRESSES: Use one of the following
addresses to comment on this AD.
* Federal eRulemaking Portal: Go to
http://www.regulations.gov and follow
the instructions for sending your
comments electronically.
* Mail: Docket Management Facility,
U.S. Department of Transportation, 1200
New Jersey Avenue, SE., West Building
Ground Floor, Room W12-140,
Washington, DC 20590-0001.
* Hand Delivery: Deliver to Mail
address above between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays.
* Fax: (202) 493-2251.
FOR FURTHER INFORMATION CONTACT: For
Precision Airmotive LLC and Bendix,
Richard Simonson, Aerospace Engineer,
Propulsion Branch, FAA, Transport
Airplane Directorate, 1601 Lind
Avenue, SW., Renton, Washington
98055; e-mail:
Richard.simonson@faa.gov; telephone
(425) 917-6507; fax (425) 917-6590.
For Lycoming Engines, Norm
Perenson, Aerospace Engineer, New
York Aircraft Certification Office, FAA,
Engine & Propeller Directorate, 1600
Stewart Avenue, Suite 410, Westbury,
NY 11590; e-mail:
Norman.perenson@faa.gov; telephone
(516) 228-7337; fax (516) 794-5531.
For Teledyne Continental Motors,
Kevin Brane, Aerospace Engineer,
Atlanta Aircraft Certification Office,
FAA, Small Airplane Directorate, One
Crown Center, 1895 Phoenix Blvd.,
Suite 450, Atlanta, GA 30349; e-mail:
kevin.brane@faa.gov; telephone (770)
703-6063; fax (770) 703-6097.
For Superior Air Parts, Inc., Tausif
Butt, Aerospace Engineer, Special
Certification Office, FAA, Rotorcraft
Directorate, Southwest Regional
Headquarters, 2601 Meacham Blvd.,
Fort Worth, Texas 76137; e-mail:
Tausif.butt@faa.gov; telephone (817)
222-5195; fax (817) 222-5785.
SUPPLEMENTARY INFORMATION: The FAA
amends 14 CFR part 39 by superseding
AD 2008-08-14, Amendment 39-15466
(73 FR 19977, April 14, 2008). That ADrequires:
* Inspecting servo plugs for looseness
and damage on fuel injection servos that
have a servo plug gasket, P/N 365533
installed since August 22, 2006, and if
loose;
* Inspecting both the threads on the
servo plug and the servo regulator cover
for damage;
* Inspecting the gasket for damage,
reinstalling acceptable parts; and
* Torquing the servo plug to a new,
higher torque to maintain the proper
clamp-up force between the plug and
cover.
That AD was the result of eighteen
reports of fuel injection servo plugs,
P/N 383493 that had loosened or
completely backed out of the threaded
plug hole on the regulator cover of the
fuel injection servo. That condition, if
not corrected, could result in a lean
running engine, which could result in a
substantial loss of engine power and
subsequent loss of control of the
airplane.
Actions Since AD 2008-08-14 Was
Issued
Since that AD was issued, Precision
Airmotive LLC introduced the
installation of a new improved servo
plug gasket, P/N 2577258, to the
Precision Airmotive LLC, RSA-5 and
RSA-10 series, and Bendix, RSA-5 and
RSA-10 series, fuel injection servos.
Installation of this gasket with a new
higher torque eliminates repetitive
inspections of the servo plug.
Also since that AD was issued, we
discovered that we inadvertently
omitted certain Bendix, RSA-5 and
RSA-10 series, fuel injection servos,
from the AD applicability. We now
include those fuel injection servos in
this AD applicability.
FAA's Determination and Requirements
of This AD
The unsafe condition described
previously is likely to exist or develop
on other engines of the same type
design. We are issuing this AD to
prevent a lean running engine, which
could result in a substantial loss of
engine power and subsequent loss of
control of the airplane. This AD
requires:
* Inspecting servo plugs for looseness
and damage on affected fuel injection
servos that have a servo plug gasket,
P/N 365533, installed, and if loose;
* Inspecting both the servo plug and
regulator threads for damage;
* Replacing gasket P/N 365533, with
gasket P/N 2577258;
* Torquing the servo plug to a new,
higher torque to maintain the proper
clamp-up force between the plug and* By December 31, 2009, as
mandatory terminating action to the
repetitive inspections required by this
AD, replacing all servo plug gaskets,
P/N 365533 on affected servos, with
new, improved gasket,
P/N 2577258, and prohibiting the
installation of P/N 365533 gaskets.
FAA's Determination of the Effective
Date
Since an unsafe condition exists that
requires the immediate adoption of this
AD, we have found that notice and
opportunity for public comment before
issuing this AD are impracticable, and
that good cause exists for making this
amendment effective in less than 30
days.
Comments Invited
This AD is a final rule that involves
requirements affecting flight safety and
was not preceded by notice and an
opportunity for public comment;
however, we invite you to send us any
written relevant data, views, or
arguments regarding this AD. Send your
comments to an address listed under
ADDRESSES. Include "Docket No. FAA-
2008-0420; Directorate Identifier 2008-
NE-10-AD" in the subject line of your
comments. We specifically invite
comments on the overall regulatory,
economic, environmental, and energy
aspects of the rule that might suggest a
need to modify it.
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 with FAA
personnel concerning this AD. Using the
search function of the Web site, anyone
can find and read the comments in any
of our dockets, including, if provided,
the name of the individual who sent the
comment (or signed the comment on
behalf of an association, business, labor
union, etc.). You may review the DOT's
complete Privacy Act Statement in the
Federal Register published on April 11,
2000 (65 FR 19477-78).
Examining the AD Docket
You may examine the AD docket on
the Internet at http://
www.regulations.gov; or in person at the
Docket Operations office 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 Operations office (telephone
(800) 647-5527) is the same as the Mailcover; and
4124
address provided in the ADDRESSES
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United States. Office of the Federal Register. Federal Register, Volume 74, Number 14, January 23, 2009, Pages 4115-4342, periodical, January 23, 2009; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc132876/m1/17/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.