
[Federal Register Volume 77, Number 69 (Tuesday, April 10, 2012)]
[Rules and Regulations]
[Pages 21420-21422]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2012-7853]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2011-0913; Directorate Identifier 2011-NM-031-AD; 
Amendment 39-17010; AD 2012-07-04]
RIN 2120-AA64


Airworthiness Directives; Cessna Aircraft Company Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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SUMMARY: We are adopting a new airworthiness directive (AD) for certain 
Cessna Aircraft Company Model 680 airplanes. This AD was prompted by a 
false cross-feed command to the right-hand fuel control card, due to 
the cross-feed inputs on the left- and right-hand fuel control cards 
being connected together and causing an imbalance of fuel between the 
left and right wing tanks. This AD requires adding diodes to the fuel 
cross-feed wiring, and revising the airplane flight manual to include 
procedures to use when the left or right generator is selected OFF. We 
are issuing this AD to prevent lateral imbalance of the airplane, 
resulting from uncontrolled fuel cross-feed, which can be corrected by 
deflecting the aileron trim; deflecting the aileron trim increases the 
pilot's workload and could exceed the airplane's limitation in a short 
period of time, resulting in reduced controllability of the airplane.

DATES: This AD is effective May 15, 2012.
    The Director of the Federal Register approved the incorporation by 
reference of certain publications listed in the AD as of May 15, 2012.

ADDRESSES: For service information identified in this AD, contact 
Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277; telephone 
316-517-6215; fax 316-517-5802; email citationpubs@cessna.textron.com; 
Internet https://www.cessnasupport.com/newlogin.html. You may review 
copies of the referenced service information at the FAA, Transport 
Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington. For 
information on the availability of this material at the FAA, call 425-
227-1221.

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 address for the 
Docket Office (phone: 800-647-5527) is Document Management Facility, 
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: Nhien Hoang, Aerospace Engineer, 
Electrical Systems and Avionics Branch, ACE-119W, FAA, Wichita Aircraft 
Certification Office, 1801 Airport Road, Room 100, Mid-Continent 
Airport, Wichita, Kansas 67209; phone: (316) 946-4190; fax: (316) 946-
4107; email: nhien.hoang@faa.gov.

SUPPLEMENTARY INFORMATION:

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 to include an AD that would apply to the specified products. 
That NPRM was published in the Federal Register on August 31, 2011 (76 
FR 54141), and proposed to require adding diodes to the fuel cross-feed 
wiring, and revising the airplane flight manual to include procedures 
to use when the left or right generator is selected OFF.

Comments

    We gave the public the opportunity to participate in developing 
this AD. The following presents the comments received from Cessna 
Aircraft Company (Cessna), the manufacturer, on the NPRM (76 FR 54141, 
August 31, 2011), and the FAA's response to each comment.

Requests To Correct References to Airplane Flight Manual (AFM) 
Revisions and Temporary Changes (TCs) in Paragraph (h) of This AD

    Cessna commented that the NPRM (76 FR 54141, August 31, 2011) has 
incorrect references to certain AFM TCs, does not refer to certain 
applicable AFM TCs, and incorrectly addresses the procedure change in 
the recently FAA-approved Revision 10, dated June 30, 2011, of the 
Cessna 680 Citation Sovereign AFM. We infer that Cessna requested that 
we correct references to the AFM revisions and TCs in paragraph (h) of 
the NPRM.
    Cessna also commented that the text for AFM revision 68FM-10, dated 
June 30, 2011, of the Cessna 680 Citation Sovereign AFM, does not 
include the instruction to pull the fuel pump circuit breakers, which 
was part of the TC, and is not necessary once the modification 
specified in Cessna Service Bulletin 680-24-11, dated December 16, 
2010, is done.
    Cessna further commented that the wording of the NPRM (76 FR 54141, 
August 31, 2011) is incorrect in its reference to Cessna TC TC-R09-13, 
dated October 15, 2010, to the Cessna 680 Citation Sovereign AFM, 
Revision 9, dated May 24, 2010, and that the TC is applicable until 
Revision 10, dated June 30, 2011, of the Cessna 680 Citation Sovereign 
AFM, is incorporated into the AFM. Further, the commenter stated that 
the remaining TCs for Revision 9, dated May 24, 2010, of the Cessna 680 
Citation Sovereign AFM are to be removed when Revision 10 is 
incorporated, and there are 3 new TCs for Cessna 680 Citation Sovereign 
AFM, Revision 10, dated June 30, 2011, that are the same as the 
previous TCs for Cessna 680 Citation Sovereign AFM, Revision 9, dated 
May 24, 2010.
    We agree with Cessna's requests for the reasons given. We have 
changed paragraph (h) of this AD to include the updated AFM revisions 
and current TCs. However, some operators still use Cessna 680 Citation 
Sovereign AFM, Revision 9, dated May 24, 2010, and therefore the TCs 
referenced in Cessna 680 Citation Sovereign AFM, Revision 9, dated May 
24, 2010, still apply for some affected airplanes. Therefore,

[[Page 21421]]

paragraph (h) of this AD clarifies the changes to the AFM as they apply 
to airplanes using Cessna 680 Citation Sovereign AFM, Revision 9, dated 
May 24, 2010, and to airplanes using Cessna 680 Citation Sovereign AFM, 
Revision 10, dated June 30, 2011. These changes will not result in an 
additional burden to the operator.
    We have also reviewed Cessna Service Bulletin SB680-24-11, Revision 
1, dated November 15, 2011. This service bulletin includes procedures 
to address both Cessna 680 Citation Sovereign AFM, Revision 9, dated 
May 24, 2010; and Cessna 680 Citation Sovereign AFM, Revision 10, dated 
June 30, 2011; and their corresponding AFM actions. We have also 
changed paragraph (g) of this AD to reference Cessna Service Bulletin 
SB680-24-11, Revision 1, dated November 15, 2011. We also added 
paragraph (i) to the AD to give credit for actions accomplished before 
the effective date of the AD using Cessna Service Bulletin SB680-24-11, 
dated December 16, 2010, and re-identified subsequent paragraphs 
accordingly.

Conclusion

    We reviewed the relevant data, considered the comment received, and 
determined that air safety and the public interest require adopting the 
AD with the changes described previously, and minor editorial changes. 
We have determined that these minor changes:
     Are consistent with the intent that was proposed in the 
NPRM (76 FR 54141, August 31, 2011) for correcting the unsafe 
condition; and
     Do not add any additional burden upon the public than was 
already proposed in the NPRM (76 FR 54141, August 31, 2011).

We also determined that these changes will not increase the economic 
burden on any operator or increase the scope of the AD.

Costs of Compliance

    We estimate that this AD affects 198 airplanes of U.S. registry.
    We estimate the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                        Cost per    Cost on U.S.
                Action                            Labor cost             Parts cost      product      operators
----------------------------------------------------------------------------------------------------------------
Installation..........................  4 work-hours x $85 per hour =           $40          $380       $75,240
                                         $340.
----------------------------------------------------------------------------------------------------------------

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

    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),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) 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.

Adoption of 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 (AD):

2012-07-04 Cessna Aircraft Company: Amendment 39-17010; Docket No. 
FAA-2011-0913; Directorate Identifier 2011-NM-031-AD.

(a) Effective Date

    This AD is effective May 15, 2012.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Cessna Aircraft Company Model 680 airplanes; 
certificated in any category; serial numbers -0001 through -0289 
inclusive, and -0291 through -0296 inclusive.

(d) Subject

    Joint Aircraft System Component (JASC)/Air Transport Association 
(ATA) of America Code 24: Electrical power.

(e) Unsafe Condition

    This AD was prompted by a false cross-feed command to the right-
hand fuel control card, due to the cross-feed inputs on the left- 
and right-hand fuel control cards being connected together and 
causing an imbalance of fuel between the left and right wing tanks. 
We are issuing this AD to prevent lateral imbalance of the airplane, 
resulting from uncontrolled fuel cross-feed, which can be corrected 
by deflecting the aileron trim; deflecting the aileron trim 
increases the pilot's workload and could exceed the airplane's 
limitation in a short period of time, resulting in reduced 
controllability of the airplane.

(f) Compliance

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

(g) Installation

    Within 400 flight hours or 12 months after the effective date of 
this AD, whichever occurs first: Install a kit, part number (P/N) 
SB680-24-11, to the left and right motive flow relays, in accordance 
with the Accomplishment Instructions of Cessna Service Bulletin 
SB680-24-11, Revision 1,

[[Page 21422]]

dated November 15, 2011. The kit (P/N SB680-24-11) contains 2 
sleeves, 4 splices, 2 diodes (P/N 1N4006), and instructions.

(h) Revise Airplane Flight Manual (AFM)

    Before further flight after accomplishing the actions required 
by paragraph (g) of this AD, do the applicable actions specified in 
paragraph (h)(1) or (h)(2) of this AD.
    (1) For airplanes using Cessna 680 Citation Sovereign AFM, 
Revision 9, dated May 24, 2010: Revise the Cessna 680 Citation 
Sovereign AFM to include the information in Cessna Temporary FAA 
Approved Airplane Flight Manual Change 68FM TC-R09-13, dated October 
15, 2010, and remove the temporary changes (TCs) identified in 
paragraphs (h)(1)(i) through (h)(1)(iv) of this AD. Cessna Temporary 
FAA Approved Airplane Flight Manual Change 68FM TC-R09-13, dated 
October 15, 2010, introduces procedures to use when the left or 
right generator is selected OFF. Operate the airplane according to 
the procedures in Cessna Temporary FAA Approved Airplane Flight 
Manual Change 68FM TC-R09-13, dated October 15, 2010.
    (i) Cessna Temporary FAA Approved Airplane Flight Manual Change 
68FM TC-R09-09, dated October 15, 2010.
    (ii) Cessna Temporary FAA Approved Airplane Flight Manual Change 
68FM TC-R09-10, dated October 15, 2010.
    (iii) Cessna Temporary FAA Approved Airplane Flight Manual 
Change 68FM TC-R09-11, dated October 15, 2010.
    (iv) Cessna Temporary FAA Approved Airplane Flight Manual Change 
68FM TC-R09-12, dated October 15, 2010.
    Note 1 to paragraph (h)(1) of this AD: Updating Cessna 680 
Citation Sovereign AFM, Revision 9, dated May 24, 2010, may be done 
by inserting a copy of Cessna Temporary FAA Approved Airplane Flight 
Manual Change 68FM TC-R09-13, dated October 15, 2010, into the AFM. 
Cessna Temporary FAA Approved Airplane Flight Manual Change 68FM TC-
R09-13, dated October 15, 2010, should be removed and discarded when 
Revision 10, dated June 30, 2011, has been collated into the basic 
airplane flight manual.
    (2) For airplanes using the Cessna 680 Citation Sovereign AFM, 
Revision 10, dated June 30, 2011: Revise the Cessna 680 Citation 
Sovereign AFM, Revision 10, dated June 30, 2011, by removing the TCs 
identified in paragraphs (h)(2)(i) through (h)(2)(iii) of this AD.
    (i) Cessna Temporary FAA Approved Airplane Flight Manual Change 
68FM TC-R10-01, dated June 30, 2011.
    (ii) Cessna Temporary FAA Approved Airplane Flight Manual Change 
68FM TC-R10-02, dated June 30, 2011.
    (iii) Cessna Temporary FAA Approved Airplane Flight Manual 
Change 68FM TC-R10-03, dated June 30, 2011.

(i) Credit for Previous Actions

    This paragraph provides credit for the installation required by 
paragraph (g) of this AD, if the installation was performed before 
the effective date of this AD using Cessna Service Bulletin SB680-
24-11, dated December 16, 2010.

(j) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Wichita Aircraft Certification Office (ACO), 
ACE-115W, 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 ACO, send it to the 
attention of the person identified in the Related Information 
section of this AD.
    (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.

(k) Related Information

    For more information about this AD, contact Nhien Hoang, 
Aerospace Engineer, Electrical Systems and Avionics Branch, ACE-
119W, FAA, Wichita Aircraft Certification Office, 1801 Airport Road, 
Room 100, Mid-Continent Airport, Wichita, Kansas 67209; phone: (316) 
946-4190; fax: (316) 946-4107; email: nhien.hoang@faa.gov.

(l) Material Incorporated by Reference

    (1) You must use the following service information to do the 
actions required by this AD, unless the AD specifies otherwise. The 
Director of the Federal Register approved the incorporation by 
reference (IBR) of the following service information under 5 U.S.C. 
552(a) and 1 CFR part 51:
    (i) Cessna Service Bulletin SB680-24-11, Revision 1, dated 
November 15, 2011.
    (ii) Cessna Temporary FAA Approved Airplane Flight Manual Change 
68FM TC-R09-13, dated October 15, 2010, to the Cessna 680 Citation 
Sovereign Airplane Flight Manual, Revision 9, dated May 24, 2010.
    (2) For service information identified in this AD, contact 
Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277; telephone 
316-517-6215; fax 316-517-5802; email 
citationpubs@cessna.textron.com; Internet https://www.cessnasupport.com/newlogin.html.
    (3) You may review copies of the service information at the FAA, 
1601 Lind Avenue SW., Renton, Washington. For information on the 
availability of this material at the FAA, call (425) 227-1221.
    (4) You may also review copies of the service information that 
is incorporated by reference at the National Archives and Records 
Administration (NARA). For information on the availability of this 
of this material at an NARA facility, call 202-741-6030, or go to 
http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.

    Issued in Renton, Washington, on March 22, 2012.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2012-7853 Filed 4-9-12; 8:45 am]
BILLING CODE 4910-13-P


