Airworthiness Directives; Cessna Model 680 Airplanes, 395-397 [07-6265]

Download as PDF Federal Register / Vol. 73, No. 2 / Thursday, January 3, 2008 / Rules and Regulations per engine. Based on these figures, we estimate the total cost of the AD to U.S. operators to be $2,269,168. 1. The authority citation for part 39 continues to read as follows: I 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 have 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 summary of the costs to comply with this AD and placed it in the AD Docket. You may get a copy of this summary at the address listed under ADDRESSES. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Safety. jlentini on PROD1PC65 with RULES Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the Federal Aviation Administration amends 14 CFR part 39 as follows: I VerDate Aug<31>2005 19:37 Jan 02, 2008 Jkt 214001 PART 39—AIRWORTHINESS DIRECTIVES Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new airworthiness directive: I 2007–26–20 Pratt & Whitney: Amendment 39–15322. Docket No. FAA–2007–27230; Directorate Identifier 2007–NE–04–AD. Effective Date (a) This airworthiness directive (AD) becomes effective February 7, 2008. (b) None. Applicability (c) This AD applies to Pratt & Whitney PW4164, PW4168, and PW4168A turbofan engines with certain low pressure turbine (LPT) stage 4 disks, part number (P/N) 51N404, that have a serial number (S/N) listed in the following Table 1, installed. These engines are installed on, but not limited to, Airbus A330–200 and A330–300 series airplanes. TABLE 1.—AFFECTED LPT STAGE 4 DISKS BY SERIAL NUMBER LPT Stage 4 Disk Serial Nos. CLDLC01142 CLDLC01143 CLDLC01144 CLDLC01145 CLDLC01146 CLDLC01148 CLDLC01149 CLDLC01150 CLDLC01151 CLDLC01152 CLDLC01181 CLDLC01182 CLDLC01183 CLDLC01185 CLDLC01186 CLDLC01187 Prohibition Against Installing an Affected Disk (g) After the effective date of this AD, do not install any disk, P/N 51N404, that has an S/N listed in Table 1 of this AD or any disk removed as specified in paragraph (f) of this AD except as allowed by paragraph (h) of this AD. Alternative Methods of Compliance (h) The Manager, Engine Certification Office, has the authority to approve alternative methods of compliance for this AD if requested using the procedures found in 14 CFR 39.19. Related Information (j) Contact V. Rose Len, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA 01803; telephone (781) 238–7772; fax (781) 238–7199, for more information about this AD. Material Incorporated by Reference (k) None. Issued in Burlington, Massachusetts, on December 20, 2007. Peter A. White, Assistant Manager, Engine and Propeller Directorate, Aircraft Certification Service. [FR Doc. E7–25505 Filed 1–2–08; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2007–0379; Directorate Identifier 2007–NM–331–AD; Amendment 39–15318; AD 2007–26–16] RIN 2120–AA64 Airworthiness Directives; Cessna Model 680 Airplanes Unsafe Condition (d) This AD results from a report of improperly manufactured LPT stage 4 disks. We are issuing this AD to prevent an uncontained engine failure due to low-cycle fatigue, which could result in damage to the airplane. Compliance (e) You are responsible for having the actions required by this AD performed at the next piece-part exposure after the effective date of this AD or within 7,500 cycles-sincenew, unless the actions have already been done. Frm 00007 Removing the LPT Stage 4 Disk (f) Remove from service any LPT stage 4 disk that has an S/N listed in Table 1 of this AD. Special Flight Permits (i) Under 14 CFR part 39.23, we are prohibiting the special flight permits for this AD. Affected ADs PO 00000 395 Fmt 4700 Sfmt 4700 Federal Aviation Administration (FAA), DOT. ACTION: Final rule; request for comments. AGENCY: SUMMARY: We are adopting a new airworthiness directive (AD) for certain Cessna Model 680 airplanes. This AD requires inspecting the routing of the aft fairing wire bundle assembly for adequate separation between the wiring and the hydraulic line; inspecting for chafing or damage of the wire bundle E:\FR\FM\03JAR1.SGM 03JAR1 396 Federal Register / Vol. 73, No. 2 / Thursday, January 3, 2008 / Rules and Regulations assembly and for damage to the hydraulic line, and doing corrective actions if necessary. This AD results from an incident report which indicated that a hydraulic leak and wire chafing, including signs of heat damage, were found within the lower tail cone fairing area. Similar wire chafing has also been found on other airplanes. We are issuing this AD to detect and correct wire chafing, and inadequate separation of the wiring and hydraulic line, which could lead to electrical arcing and a hydraulic leak and could result in a potential source of ignition and consequent fire. DATES: This AD is effective January 18, 2008. The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD as of February 7, 2008. We must receive comments on this AD by March 3, 2008. ADDRESSES: You may send comments by any of the following methods: • Federal eRulemaking Portal: Go to https://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. For service information identified in this AD, contact Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277. jlentini on PROD1PC65 with RULES Examining the AD Docket You may examine the AD docket on the Internet at https:// 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: Jarrett Larrow, Aerospace Engineer, Electrical Systems and Avionics, ACE– 119W, FAA, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209; telephone (316) 946–4128; fax (316) 946–4107. VerDate Aug<31>2005 16:54 Jan 02, 2008 Jkt 214001 SUPPLEMENTARY INFORMATION: Discussion We received an incident report which indicated that a hydraulic leak and wire chafing, including signs of heat damage, were found within the lower tail cone fairing area on a Cessna Model 680 airplane. The incident occurred while the airplane was on the ground. Wire chafing has also been found on other airplanes. Chafing of the wiring, and inadequate separation of the wiring and hydraulic line, could lead to electrical arcing and a hydraulic leak and could result in a potential source of ignition and consequent fire. Relevant Service Information We reviewed Cessna Alert Service Letter ASL680–24–02, dated October 1, 2007. The service letter describes procedures for inspecting the routing of the aft fairing wire bundle assembly for adequate separation between the wiring and the hydraulic line; inspecting for chafing or damage of the wire bundle assembly and for damage to the hydraulic line; and corrective actions if necessary. The corrective actions include repairing the wiring if any damage to the wire bundle is found, replacing the hydraulic line if any damage is found, and re-routing the wire bundle so there is a minimum of two inches from the hydraulic line. The service letter refers to the Model 680 wiring diagram and maintenance manuals, which contain the procedures for doing the corrective actions. FAA’s Determination and Requirements of This AD We are issuing this AD because we evaluated all the relevant information and determined the unsafe condition described previously is likely to exist or develop in other products of the same type design. This AD requires accomplishing the actions specified in the service information described previously, except as discussed under ‘‘Differences Between the AD and the Service Information.’’ Differences Between the AD and the Service Information The service information refers only to an ‘‘inspection’’ for routing and chafing or damage of the wire bundles and hydraulic line. We have determined that the procedures in the service information should be described as a ‘‘general visual inspection.’’ Note 1 has been included in this AD to define this type of inspection. The Accomplishment Instructions of the service information describe procedures for completing a PO 00000 Frm 00008 Fmt 4700 Sfmt 4700 maintenance transaction report and submitting a copy to the manufacturer. This AD would not require that action. Interim Action We consider this AD interim action. If final action is later identified, we might consider further rulemaking then. FAA’s Determination of the Effective Date An unsafe condition exists that requires the immediate adoption of this AD; therefore, providing notice and opportunity for public comment before the AD is issued is impracticable, and good cause exists to make this AD effective in less than 30 days. Comments Invited This AD is a final rule that involves requirements affecting flight safety, and we did not provide you with notice and an opportunity to provide your comments before it becomes effective. However, we invite you to send any written data, views, or arguments about this AD. Send your comments to an address listed under the ADDRESSES section. Include ‘‘Docket No. FAA– 2007–0379; Directorate Identifier 2007– NM–331–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 https:// 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 E:\FR\FM\03JAR1.SGM 03JAR1 Federal Register / Vol. 73, No. 2 / Thursday, January 3, 2008 / Rules and Regulations 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), 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. You can find our regulatory evaluation and the estimated costs of compliance 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 Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: I PART 39—AIRWORTHINESS DIRECTIVES 1. The authority citation for part 39 continues to read as follows: I Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new AD: I 2007–26–16 Cessna Aircraft Company: Amendment 39–15318. Docket No. FAA–2007–0379; Directorate Identifier 2007–NM–331–AD. Effective Date (a) This airworthiness directive (AD) is effective January 18, 2008. jlentini on PROD1PC65 with RULES Affected ADs (b) None. Applicability (c) This AD applies to Cessna Model 680 airplanes, certificated in any category, serial numbers –0001 through –0152 inclusive, –0157, and –0158. Unsafe Condition (d) This AD results from an incident report which indicated that a hydraulic leak and VerDate Aug<31>2005 16:54 Jan 02, 2008 Jkt 214001 wire chafing, including signs of heat damage, were found within the lower tail cone fairing area. Similar wire chafing has also been found on other airplanes. We are issuing this AD to detect and correct wire chafing, and inadequate separation of the wiring and hydraulic line, which could lead to electrical arcing and a hydraulic leak and could result in a potential source of ignition and consequent fire. Compliance (e) Comply with this AD within the compliance times specified, unless already done. Inspections/Corrective Actions (f) Within 10 days after the effective date of this AD: Do a general visual inspection of the routing of the aft fairing wire bundle assembly for adequate separation between the wiring and the hydraulic line, and do a general visual inspection for chafing or damage of the wire bundle assembly and for damage to the hydraulic line; by doing all of the actions, including all applicable corrective actions, specified in the Accomplishment Instructions of Cessna Alert Service Letter ASL680–24–02, dated October 1, 2007; except as provided by paragraph (g) of this AD. Do all applicable corrective actions before further flight. Note 1: For the purposes of this AD, a general visual inspection is: ‘‘A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to ensure visual access to all surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.’’ Exception to Alert Service Letter (g) Although the Accomplishment Instructions of Cessna Alert Service Letter ASL680–24–02, dated October 1, 2007, specify to submit certain information to the manufacturer, this AD does not include that requirement. Alternative Methods of Compliance (AMOCs) (h)(1) The Manager, Electrical Systems and Avionics, ACE–119W, FAA, ATTN: Jarrett Larrow, Aerospace Engineer, Electrical Systems and Avionics, ACE–119W, FAA, Wichita Aircraft Certification Office, 1801 Airport Road, room 100, Mid-Continent Airport, Wichita, Kansas 67209; telephone (316) 946–4128; fax (316) 946–4107; has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. (2) To request a different method of compliance or a different compliance time for this AD, follow the procedures in 14 CFR 39.19. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector PO 00000 Frm 00009 Fmt 4700 Sfmt 4700 397 (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. Material Incorporated by Reference (i) You must use Cessna Alert Service Letter ASL680–24–02, dated October 1, 2007, 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 Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277. (3) You may review copies of the service information incorporated by reference at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, Washington; or 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: https:// www.archives.gov/federal_register/ code_of_federal_regulations/ ibr_locations.html. Issued in Renton, Washington, on December 20, 2007. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 07–6265 Filed 1–2–08; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2007–0378; Directorate Identifier 2007–SW–04–AD; Amendment 39– 15314; AD 2007–26–12] RIN 2120–AA64 Airworthiness Directives; Robinson Helicopter Company Models R22, R22 Alpha, R22 Beta, R22 Mariner, R44 and R44 II Helicopters Federal Aviation Administration, DOT. ACTION: Final rule; request for comments. AGENCY: SUMMARY: This amendment adopts a new airworthiness directive (AD) for the specified Robinson Helicopter Company (Robinson) helicopters. This action requires a one-time visual inspection for skin separation along the leading edge of blade skin aft of the skin-to-spar bond line on the lower surface of each blade and in the tip cap area. This action also requires a ‘‘tap test’’ for detecting a separation or void in both bonded areas. This action also requires repainting any exposed area of the blades. If any separation or void is detected, replacing the blade before further flight is E:\FR\FM\03JAR1.SGM 03JAR1

Agencies

[Federal Register Volume 73, Number 2 (Thursday, January 3, 2008)]
[Rules and Regulations]
[Pages 395-397]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 07-6265]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2007-0379; Directorate Identifier 2007-NM-331-AD; 
Amendment 39-15318; AD 2007-26-16]
RIN 2120-AA64


Airworthiness Directives; Cessna Model 680 Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

-----------------------------------------------------------------------

SUMMARY: We are adopting a new airworthiness directive (AD) for certain 
Cessna Model 680 airplanes. This AD requires inspecting the routing of 
the aft fairing wire bundle assembly for adequate separation between 
the wiring and the hydraulic line; inspecting for chafing or damage of 
the wire bundle

[[Page 396]]

assembly and for damage to the hydraulic line, and doing corrective 
actions if necessary. This AD results from an incident report which 
indicated that a hydraulic leak and wire chafing, including signs of 
heat damage, were found within the lower tail cone fairing area. 
Similar wire chafing has also been found on other airplanes. We are 
issuing this AD to detect and correct wire chafing, and inadequate 
separation of the wiring and hydraulic line, which could lead to 
electrical arcing and a hydraulic leak and could result in a potential 
source of ignition and consequent fire.

DATES: This AD is effective January 18, 2008.
    The Director of the Federal Register approved the incorporation by 
reference of certain publications listed in this AD as of February 7, 
2008.
    We must receive comments on this AD by March 3, 2008.

ADDRESSES: You may send comments by any of the following methods:
     Federal eRulemaking Portal: Go to https://
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.
    For service information identified in this AD, contact Cessna 
Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277.

Examining the AD Docket

    You may examine the AD docket on the Internet at https://
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: Jarrett Larrow, Aerospace Engineer, 
Electrical Systems and Avionics, ACE-119W, FAA, Wichita Aircraft 
Certification Office, 1801 Airport Road, Room 100, Mid-Continent 
Airport, Wichita, Kansas 67209; telephone (316) 946-4128; fax (316) 
946-4107.

SUPPLEMENTARY INFORMATION:

Discussion

    We received an incident report which indicated that a hydraulic 
leak and wire chafing, including signs of heat damage, were found 
within the lower tail cone fairing area on a Cessna Model 680 airplane. 
The incident occurred while the airplane was on the ground. Wire 
chafing has also been found on other airplanes. Chafing of the wiring, 
and inadequate separation of the wiring and hydraulic line, could lead 
to electrical arcing and a hydraulic leak and could result in a 
potential source of ignition and consequent fire.

Relevant Service Information

    We reviewed Cessna Alert Service Letter ASL680-24-02, dated October 
1, 2007. The service letter describes procedures for inspecting the 
routing of the aft fairing wire bundle assembly for adequate separation 
between the wiring and the hydraulic line; inspecting for chafing or 
damage of the wire bundle assembly and for damage to the hydraulic 
line; and corrective actions if necessary. The corrective actions 
include repairing the wiring if any damage to the wire bundle is found, 
replacing the hydraulic line if any damage is found, and re-routing the 
wire bundle so there is a minimum of two inches from the hydraulic 
line. The service letter refers to the Model 680 wiring diagram and 
maintenance manuals, which contain the procedures for doing the 
corrective actions.

FAA's Determination and Requirements of This AD

    We are issuing this AD because we evaluated all the relevant 
information and determined the unsafe condition described previously is 
likely to exist or develop in other products of the same type design. 
This AD requires accomplishing the actions specified in the service 
information described previously, except as discussed under 
``Differences Between the AD and the Service Information.''

Differences Between the AD and the Service Information

    The service information refers only to an ``inspection'' for 
routing and chafing or damage of the wire bundles and hydraulic line. 
We have determined that the procedures in the service information 
should be described as a ``general visual inspection.'' Note 1 has been 
included in this AD to define this type of inspection.
    The Accomplishment Instructions of the service information describe 
procedures for completing a maintenance transaction report and 
submitting a copy to the manufacturer. This AD would not require that 
action.

Interim Action

    We consider this AD interim action. If final action is later 
identified, we might consider further rulemaking then.

FAA's Determination of the Effective Date

    An unsafe condition exists that requires the immediate adoption of 
this AD; therefore, providing notice and opportunity for public comment 
before the AD is issued is impracticable, and good cause exists to make 
this AD effective in less than 30 days.

Comments Invited

    This AD is a final rule that involves requirements affecting flight 
safety, and we did not provide you with notice and an opportunity to 
provide your comments before it becomes effective. However, we invite 
you to send any written data, views, or arguments about this AD. Send 
your comments to an address listed under the ADDRESSES section. Include 
``Docket No. FAA-2007-0379; Directorate Identifier 2007-NM-331-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 https://
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

[[Page 397]]

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), 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.
    You can find our regulatory evaluation and the estimated costs of 
compliance 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:

2007-26-16 Cessna Aircraft Company: Amendment 39-15318. Docket No. 
FAA-2007-0379; Directorate Identifier 2007-NM-331-AD.

Effective Date

    (a) This airworthiness directive (AD) is effective January 18, 
2008.

Affected ADs

    (b) None.

Applicability

    (c) This AD applies to Cessna Model 680 airplanes, certificated 
in any category, serial numbers -0001 through -0152 inclusive, -
0157, and -0158.

Unsafe Condition

    (d) This AD results from an incident report which indicated that 
a hydraulic leak and wire chafing, including signs of heat damage, 
were found within the lower tail cone fairing area. Similar wire 
chafing has also been found on other airplanes. We are issuing this 
AD to detect and correct wire chafing, and inadequate separation of 
the wiring and hydraulic line, which could lead to electrical arcing 
and a hydraulic leak and could result in a potential source of 
ignition and consequent fire.

Compliance

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

Inspections/Corrective Actions

    (f) Within 10 days after the effective date of this AD: Do a 
general visual inspection of the routing of the aft fairing wire 
bundle assembly for adequate separation between the wiring and the 
hydraulic line, and do a general visual inspection for chafing or 
damage of the wire bundle assembly and for damage to the hydraulic 
line; by doing all of the actions, including all applicable 
corrective actions, specified in the Accomplishment Instructions of 
Cessna Alert Service Letter ASL680-24-02, dated October 1, 2007; 
except as provided by paragraph (g) of this AD. Do all applicable 
corrective actions before further flight.

    Note 1: For the purposes of this AD, a general visual inspection 
is: ``A visual examination of an interior or exterior area, 
installation, or assembly to detect obvious damage, failure, or 
irregularity. This level of inspection is made from within touching 
distance unless otherwise specified. A mirror may be necessary to 
ensure visual access to all surfaces in the inspection area. This 
level of inspection is made under normally available lighting 
conditions such as daylight, hangar lighting, flashlight, or 
droplight and may require removal or opening of access panels or 
doors. Stands, ladders, or platforms may be required to gain 
proximity to the area being checked.''

Exception to Alert Service Letter

    (g) Although the Accomplishment Instructions of Cessna Alert 
Service Letter ASL680-24-02, dated October 1, 2007, specify to 
submit certain information to the manufacturer, this AD does not 
include that requirement.

Alternative Methods of Compliance (AMOCs)

    (h)(1) The Manager, Electrical Systems and Avionics, ACE-119W, 
FAA, ATTN: Jarrett Larrow, Aerospace Engineer, Electrical Systems 
and Avionics, ACE-119W, FAA, Wichita Aircraft Certification Office, 
1801 Airport Road, room 100, Mid-Continent Airport, Wichita, Kansas 
67209; telephone (316) 946-4128; fax (316) 946-4107; has the 
authority to approve AMOCs for this AD, if requested using the 
procedures found in 14 CFR 39.19.
    (2) To request a different method of compliance or a different 
compliance time for this AD, follow the procedures in 14 CFR 39.19. 
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.

Material Incorporated by Reference

    (i) You must use Cessna Alert Service Letter ASL680-24-02, dated 
October 1, 2007, 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 
Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277.
    (3) You may review copies of the service information 
incorporated by reference at the FAA, Transport Airplane 
Directorate, 1601 Lind Avenue SW., Renton, Washington; or 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: https://www.archives.gov/federal_register/code_of_federal_
regulations/ibr_locations.html.

    Issued in Renton, Washington, on December 20, 2007.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 07-6265 Filed 1-2-08; 8:45 am]
BILLING CODE 4910-13-P
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