2007-23-16: Electrical power relay circuit protection kit

2007-23-16 Cessna Aircraft Company: Amendment 39-15262; Docket No. FAA-2007-0198; Directorate Identifier 2007-CE-085-AD. Effective Date (a) This AD becomes effective on December 19, 2007. Affected ADs (b) None. Applicability (c) This AD applies to Model 525B, serial numbers 0001 through 0013 airplanes, that are certificated in any category. Unsafe Condition (d) This AD results from both the need to protect aircraft wiring left unprotected in the original design and a report of a Model 525B airplane experiencing in-flight loss of numerous systems, tripped circuit breakers, and burned wiring adjacent to the power distribution panel. We are issuing this AD to correct an incorrect wiring installation and to provide short-circuit protection for all wiring from the aircraft power distribution system. This condition could result in burned wiring and loss of various aircraft electrical systems. Compliance (e) To address this problem, you must do the following, unless already done: Actions Compliance Procedures Incorporate electrical power relay circuit protection kit part number SB525B-24-02. At whichever of the following occurs first: (1) Within the next 30 days after December 19, 2007 (the effective date of this AD); or (2) Within the next 10 hours time-in-service after December 19, 2007 (the effective date of this AD). Follow Cessna Citation Service Bulletin SB525B-24-02, Revision 1, dated October 4, 2007.l Alternative Methods of Compliance (AMOCs) (f) The Manager, Wichita Aircraft Certification Office (ACO), FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Raymond N. Johnston, Aerospace Engineer, Wichita ACO, 1801 Airport Road, Room 100, Wichita, Kansas 67209; telephone: (316) 946- 4197; fax: (316) 946-4107. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principalinspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. Material Incorporated by Reference (g) You must use Cessna Citation Service Bulletin SB525B-24-02, Revision 1, dated October 4, 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 Company, Product Support, P.O. Box 7706, Wichita, Kansas 67277-7706; telephone: (316) 517-5800; fax: (316) 942-9006. (3) You may review copies at the FAA, Central Region, Office of the Regional Counsel, 901 Locust, Kansas City, Missouri 64106; 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: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html .