Federal Register, Volume 75, Number 98, May 21, 2010, Pages 28463-28750 Page: 28,486
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Federal Register/Vol. 75, No. 98/Friday, May 21, 2010/Rules and Regulations
this increase in the specified hourly
Costs of Compliance
Based on the service information, we
estimate that this AD will affect about
120 products of U.S. registry.
The actions that are required by AD
2007-03-05 and retained in this AD
take about 1 work-hour per product, at
an average labor rate of $85 per work
hour. Based on these figures, the
estimated cost of the currently required
actions is $85 per product.
We estimate that it will take about 60
additional work-hours per product to
comply with the new basic
requirements of this AD. Required parts
will cost about $600 per product. The
average labor rate is $85 per work-hour.
Where the service information lists
required parts costs that are covered
under warranty, we have assumed that
there will be no charge for these costs.
As we do not control warranty coverage
for affected parties, some parties may
incur costs higher than estimated here.
Based on these figures, we estimate the
cost of the AD on U.S. operators to be
$684,000, or $5,700 per product.
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
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
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 this AD:
1. Is not a "significant regulatory
action" under Executive Order 12866;
2. Is not a "significant rule" under the
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
We prepared a regulatory evaluation
of the estimated costs to comply with
this AD and placed it in the AD docket.
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 the NPRM, the regulatory
evaluation, any comments received, and
other information. The street address for
the Docket Operations office (telephone
(800) 647-5527) is in the ADDRESSES
section. Comments will be available in
the AD docket shortly after receipt.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation
safety, Incorporation by reference,
Adoption of the Amendment
a Accordingly, under the authority
delegated to me by the Administrator,
the FAA amends 14 CFR part 39 as
1. The authority citation for part 39
continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
2. The FAA amends 39.13 by
removing Amendment 39-14916 (72 FR
4414, January 31, 2007) and adding the
following new AD:
2010-11-02 Gulfstream Aerospace LP
(Type Certificate Previously Held by
Israel Aircraft Industries, Ltd.):
Amendment 39-16307. Docket No.
FAA-2010-0034; Directorate Identifier
(a) This airworthiness directive (AD)
becomes effective June 25, 2010.
(b) This AD supersedes AD 2007-03-05,
(c) This AD applies to Gulfstream
Aerospace LP (Type Certificate previously
held by Israel Aircraft Industries, Ltd.) Model
Gulfstream 100 airplanes; and Model Astra
SPX and 1125 Westwind Astra airplanes;
certificated in any category; all serial
(d) Air Transport Association (ATA) of
America Code 31: Instruments.
(e) The mandatory continuing
airworthiness information (MCAI) states:
To increase pilots' awareness to the
possibility of incomplete closure of the Main
Entry Door (MED) by the following means:
1. Splitting the common caution light
CABIN DOOR signaling both MED Improper
Closure and MED Inflatable Seal Failure into
two separate lights: CABIN DOOR and
CABIN DOOR SEAL.
2. Converting the separated CABIN DOOR
Caution light into a Warning light by
changing its color to red.
Note: Aircraft Flight Manuals (AFMs) refer
to these changes as MOD G1-20052.
Incomplete closure of the MED may be
followed by in-flight opening of the door. As
a result, the MED and the adjacent fuselage
structure may be damaged during opening
and landing impact. Damage to the left
engine by flying debris and objects may also
Required actions include modifying the
warning and caution lights panel (WACLP),
changing the WACLP and MED wiring,
changing the wiring harness connecting the
MED to the WACLP, and ensuring the Log of
Modification of the AFM includes reference
to MOD G1-20052.
Restatement of Requirements of AD 2007-
03-05, With No Changes
(f) Unless already done, do the following
actions. Within 10 days after February 15,
2007 (the effective date of AD 2007-03-05),
amend Section IV, Normal Procedures, of the
following Gulfstream airplane flight manuals
(AFMs): Model 1125 Astra, 25W-1001-1;
Model Astra SPX, SPX-1001-1; and Model
G100, G100-1001-1; as applicable; to include
the following statement. Insertion of copies
of this AD at the appropriate places of the
AFMs is acceptable.
"1. BEFORE ENGINE START:
(PRE and POST Mod 20052/Gulfstream
Service Bulletin 100-31-284):
CABIN DOOR-CLOSED (Physically verify
door latch handle pin is fully engaged in the
2. BEFORE TAXIING:
Change the CABIN DOOR procedure as
follows (POST Mod 20052/Gulfstream
Service Bulletin 100-31-284):
Check CABIN DOOR light-OUT
3. BEFORE TAKE-OFF:
Insert between the POSITION lights switch
and the THRUST LEVERS procedures:
(PRE Mod 20052/Gulfstream Service
Check CABIN DOOR light-OUT (50% N1
may be required)
(POST Mod 20052/Gulfstream Service
Check CABIN DOOR light-OUT
CABIN DOOR SEAL light-OUT (50% N1
may be required)"
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United States. Office of the Federal Register. Federal Register, Volume 75, Number 98, May 21, 2010, Pages 28463-28750, periodical, May 21, 2010; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc52679/m1/32/: accessed July 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.