AD 2006-04-10 Airworthiness Directives; Cessna Model 500, 550, S550, 560, 560XL, and 750 Airplanes

Makes named: cessna. Models named: 500, 550, S550, 560, 560XL, 750. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Cessna Model 500, 550, S550, 560, 560XL, and 750 airplanes, certificated in any category; as identified in the service bulletins in Table 1 of this AD. Table 1.—Cessna Service Bulletins Cessna service bulletin Revision Date Cessna model SB500-26-02 Original April 1, 2005 500 airplanes. SB550-26-05 Original April 1, 2005 550 airplanes. SB560-26-01 Original April 1, 2005 560 airplanes. SB560XL-26-02 1 December 22, 2004 560XL airplanes. SB750-26-05 Original November 24, 2004 750 airplanes. SBS550-26-02 Original April 1, 2005 S550 airplanes.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Installation (f) Within 100 flight hours or 60 days after the effective date of this AD, whichever occurs first: Install identification sleeves on the wires for the positive and negative terminal studs of the applicable fire extinguishing bottles identified in paragraphs (f)(1), (f)(2), and (f)(3) of this AD; re-connect the wires to the correct studs; test the connection; and re-connect the wires again as applicable until the connection tests correctly. Do all actions in accordance with the Accomplishment Instructions of the applicable service bulletin identified in Table 1 of this AD. (1) For Cessna Model 500, 550, S550, and 560 airplanes: The engine fire extinguishing bottles. (2) For Cessna Model 560XL airplanes: The engine and the APU fire extinguishing bottles. (3) For Cessna Model 750 airplanes: The APU fire extinguishing bottle. No Reporting Requirement (g) Although the Accomplishment Instructions of the service bulletins identified in Table 1 of this AD describe procedures for submitting a maintenance transaction report to the manufacturer, this AD does not require that action. Actions Accomplished in Accordance With Earlier Revision of Service Bulletin (h) Actions done before the effective date of this AD in accordance with the Accomplishment Instructions of Cessna Service Bulletin SB560XL-26-02, dated November 22, 2004, are acceptable for compliance with the corresponding action in this AD. Parts Installation (i) After the effective date of this AD, no person may install on any airplane a fire-extinguishing bottle unless identification sleeves on the wires for the positive and negative terminal studs have been installed in accordance with paragraph (f) of this AD. Alternative Methods of Compliance (AMOCs) (j)(1) The Manager, Wichita Aircraft Certification Office (ACO), FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. (2) Before using any AMOC approved in accordance with § 39.19 on any airplane to which the AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. Material Incorporated by Reference (k) You must use the service information listed in Table 2 of this AD to perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference of these documents in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Contact Cessna Aircraft Co., P.O. Box 7706, Wichita, Kansas 67277, for a copy of this service information. You may review copies at the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street SW., room PL-401, Nassif Building, Washington, DC; on the Internet at http://dms.dot.gov; or at the National Archives and Records Administration (NARA). For information on the availability of this material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. Table 2.—Material Incorporated by Reference Cessna service bulletin Revision level Date SB500-26-02, including Service Bulletin Supplemental Data Original April 1, 2005. SB550-26-05, including Service Bulletin Supplemental Data Original April 1, 2005. SB560-26-01, including Service Bulletin Supplemental Data Original April 1, 2005. SB560XL-26-02, including Service Bulletin Supplemental Data, dated November 22, 2004, and excluding Attachment 1 December 22, 2004. SB750-26-05, including Service Bulletin Supplemental Data Original November 24, 2004. SBS550-26-02, including Service Bulletin Supplemental Data Original April 1, 2005. Issued in Renton, Washington, on February 7, 2006. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 06-1407 Filed 2-16-06; 8:45 am] BILLING CODE 4910-13-P

This AD results from a report of mis-wired fire extinguishing bottles. We are issuing this AD to ensure that the fire extinguishing bottles are activated in the event of an engine or auxiliary power unit (APU) fire, and that flammable fluids are not supplied during a fire, which could result in an unextinguished fire in the nacelle or APU.