AD 2009-08-04 Airworthiness Directives; Hawker Beechcraft Corporation Model BH.125 Series 600A Airplanes and Model HS.125 Series 700A Airplanes Modified in Accordance With Supplemental Type Certificate (STC) SA2271SW

Makes named: hawker beechcraft. Models named: BH.125 series 600A, HS.125 series 700A. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Hawker Beechcraft Corporation Model BH.125 series 600A airplanes and Model HS.125 series 700A airplanes, certificated in any category; as identified in Hawker Beechcraft Mandatory Service Bulletin SB 24-3850, dated January 2008, which have been modified in accordance with Supplemental Type Certificate SA2271SW.

Comply with this AD within the compliance times specified, unless already done. Inspection and Rework (f) Within 600 flight hours or 6 months after the effective date of this AD, whichever occurs first, inspect the wiring diagrams containing the cockpit blowers and compare with the current airplane configuration, in accordance with the Accomplishment Instructions of Hawker Beechcraft Mandatory Service Bulletin SB 24-3850, dated January 2008; except as provided by paragraph (g) of this AD. (1) If the current airplane configuration does not match the applicable cockpit blower wiring diagrams, before further flight, rework the wiring using a method approved by the Manager, Special Certification Office, ASW-190, Rotorcraft Directorate, FAA. For the determination to be approved by the Manager, Special Certification Office, as required by this paragraph, the Manager's approval letter must specifically refer to this AD. (2) If the current airplane configuration matches the applicable cockpit blower wiring diagrams, before further flight, rework the wiring in accordance with the Accomplishment Instructions of Hawker Beechcraft Mandatory Service Bulletin SB 24-3850, dated January 2008. No Submission of Certain Information (g) Although Hawker Beechcraft Mandatory Service Bulletin SB 24-3850, dated January 2008, specifies to submit certain information to the manufacturer, this AD does not include that requirement. Alternative Methods of Compliance (AMOCs) (h)(1) The Manager, Special Certification Office, ASW-190, Rotorcraft Directorate, FAA, Attn: Andy Shaw, Aerospace Engineer, Special Certification Office, ASW-190, FAA, Southwest Regional Office, 2601 Meacham Boulevard, Fort Worth, Texas 76137; telephone (817) 222-5188; fax (817) 222-5785; 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 Hawker Beechcraft Mandatory Service Bulletin SB 24-3850, dated January 2008, to do the actions required by this AD, unless the AD specifies otherwise. (1) For service information identified in this AD, contact Hawker Beechcraft Corporation, Department 62, P.O. Box 85, Wichita, Kansas 67201-0085; telephone 316-676-8238; fax 316-676-6706; e-mail tmdc@hawkerbeechcraft.com ; Internet https://www.hawkerbeechcraft.com/service_support/pubs . (2) You may review copies of the 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 or 425-227-1152. (3) 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 material at NARA, 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 April 2, 2009. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E9-8080 Filed 4-8-09; 8:45 am] BILLING CODE 4910-13-P

This AD results from a report indicating that a blower motor of the cockpit ventilation and avionics cooling system seized up and gave off smoke. We are issuing this AD to prevent smoke and fumes in the cockpit in the event that a blower motor seizes and overheats due to excessive current draw.