2012-18-16: Electrical power

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): 2012-18-16 The Cessna Aircraft Company: Amendment 39-17193; Docket No. FAA-2012-0644; Directorate Identifier 2012-NM-011-AD. (a) Effective Date This AD is effective October 24, 2012. (b) Affected ADs None. (c) Applicability This AD applies to The Cessna Aircraft Company Model 750 airplanes, certificated in any category, having serial numbers - 0222, -0225 through -0306 inclusive, and -0308. (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 reports of direct current (DC) generator overvoltage events. We are issuing this AD to prevent DC generator overvoltage events, which could result in smoke in the cockpit and loss of avionics and electrical systems. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Replacement Except as required by paragraph (h) of this AD: Within 6 months after the effective date of this AD, replace the auxiliary power unit generator control unit (GCU) having part number (P/N) 9914752-2 with one having P/N 9914752-6, in accordance with the Accomplishment Instructions of Cessna Service Bulletin SB750-24-30, dated December 5, 2011. (h) Exceptions (1) Where the Accomplishment Instructions of Cessna Service Bulletin SB750-24-30, dated December 5, 2011, state that operators must return the GCU having P/N 9914752-2 to the manufacturer, this AD does not require that action.(2) Where the Accomplishment Instructions of Cessna Service Bulletin SB750-24-30, dated December 5, 2011, state that the operator must record that the service bulletin has been completed, this AD does not require that action. (i) Alternative Methods of Compliance (AMOCs) (1) 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. 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. (j) Related Information For more information about this AD, contact Christine Abraham, 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; telephone: 316-946-4165; fax: 316-946-4107; email: christine.abraham@faa.gov. (k) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Cessna Service Bulletin SB750-24-30, dated December 5, 2011. (ii) Reserved. (3) 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. (4) You may view this service information at FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425-227-1221. (5) You may view this service information that is incorporated by reference 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/cfr/ibr-locations.html.