AD 2006-18-16 Airworthiness Directives; Raytheon Aircraft Company Model 390 Airplanes

Makes named: raytheon. Models named: 390. Read the applicability below — it usually turns on serial or part numbers too.

This AD affects Model 390 airplanes, serial numbers RB-1 and RB-4 through RB-139, that are certificated in any category.

To address this problem, you must do the following:   Actions Compliance Procedures (1) Inspect to determine whether the spigot bearing, part number (P/N) MS14104-16, is positioned flush inside the spigot fitting assembly and not protruding outside of the fitting assembly Within 50 hours time-in-service (TIS) after October 13, 2006 (the effective date of this AD), and repetitively inspect thereafter every 50 hours TIS until the installation in paragraph (e)(2) of this AD is done Follow Raytheon Aircraft Company Mandatory Service Bulletin SB 53-3765, issued: November, 2005. (2) Install the spigot bearing retainer kit, P/N 390-4304-0001. This installation terminates the inspection requirements in paragraph (e)(1) of this AD At whichever of the following occurs first, unless already done: (i) Before further flight after any inspection required by this AD where the spigot bearing, P/N MS14104-16, is found not to be flush with the spigot fitting assembly; or (ii) Within 200 hours TIS or one calendar year October 13, 2006 (the effective date of this AD), whichever occurs first Follow Raytheon Aircraft Company Mandatory Service Bulletin SB 53-3765, issued: November, 2005. Alternative Methods of Compliance (AMOCs) (f) The Manager, Wichita Aircraft Certification Office (ACO), FAA, ATTN: David Ostrodka, Senior Aerospace Engineer, Wichita ACO, Airframe and Services Branch, ACE-118W, 1801 Airport Road, Wichita, Kansas 67209; telephone: (316) 946-4129; facsimile: (316) 946-4107, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Related Information (g) None. Material Incorporated by Reference (h) You must do the actions required by this AD following the instructions in Raytheon Aircraft Company Mandatory Service Bulletin SB 53-3765, issued: November, 2005. The Director of the Federal Register approved the incorporation by reference of this service bulletin in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To get a copy of this service information, contact Raytheon Aircraft Company, 9709 East Central, Wichita, Kansas 67201. To review copies of this service information, go to the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html or call (202) 741-6030. To view the AD docket, go to the Docket Management Facility; U.S. Department of Transportation, 400 Seventh Street, SW., Nassif Building, Room PL-401, Washington, DC 20590-001 or on the Internet at http://dms.dot.gov. The docket number is FAA-2006-24640; Directorate Identifier 2006-CE-26-AD. Issued in Kansas City, Missouri, on August 30, 2006. James E. Jackson, Acting Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. E6-14781 Filed 9-7-06; 8:45 am] BILLING CODE 4910-13-P

This AD is the result of two reports of the spigot bearing not being positioned flush with the fitting assembly, but protruding outside of the fitting assembly. The actions specified in this AD are intended to detect spigot bearings that are not positioned flush with the fitting assembly. This condition could result in the spigot bearing becoming disengaged from the fitting assembly, which could cause motion between the wing and the fuselage and degrade the structural integrity of the wing attachment to the fuselage. This could lead to wing separation and loss of control of the airplane.