Airworthiness directives › 2004-22-02
AD 2004-22-02 Airworthiness Directives; Raytheon (Beech) Model MU-300-10, 400, 400A, and 400T Series Airplanes; and Raytheon (Mitsubishi) Model Beech MU-300 Airplanes
Makes named: beech, raytheon. Models named: MU-300-10, 400, 400A, 400T series, Beech MU-300. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Raytheon (Beech) Model MU-300-10, 400, 400A, and 400T series airplanes; and Raytheon (Mitsubishi) Model Beech MU-300 airplanes; certificated in any category; as listed in Raytheon Service Bulletin SB 53-3486, dated June, 2003.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Inspections and Corrective Actions (f) Within 400 flight hours or 12 months after the effective date of this AD, whichever occurs first, do the actions in paragraphs (f)(1) and (f)(2) of this AD. Do all actions in accordance with the Accomplishment Instructions of Raytheon Service Bulletin SB 53-3486, dated June 2003. (1) Do a one-time general visual inspection of the spoiler mixer bay panels to determine the presence of drain holes. Before further flight after doing this inspection, drill at least one new drain hole, and any additional drain holes needed to make a total of five, at the places in each mixer bay panel specified in the service bulletin. (2) Do a one-time general visual inspection for discrepancies of the sealant on the relief cutout on the aft pressure bulkhead, and of the small triangular-shaped baffles at left butt line (BL) 19.13 and right BL 10.43. Before further flight after doing this inspection, do any applicable corrective actions. Note 1: For the purposes of this AD, a general visual inspection is: “A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to enhance visual access to all exposed surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.” Parts Installation (g) As of the effective date of this AD, no person may install on any airplane a spoiler mixer bay panel that has a part number listed in paragraph 3.B., “Spares,” of the Accomplishment Instructions of Raytheon Service Bulletin SB 53-3486, dated June 2003, unless the panel has been inspected and modified in accordance with paragraph (f)(1) of this AD. Alternative Methods of Compliance (AMOCs) (h) The Manager, Wichita Aircraft Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. Material Incorporated by Reference (i) You must use Raytheon Service Bulletin SB 53-3486, dated June 2003, to perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approves the incorporation by reference of this document in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. For copies of the service information, contact Raytheon Aircraft Company, Department 62, P.O. Box 85, Wichita, Kansas 67201-0085. For information on the availability of this material at the National Archives and Records Administration (NARA), call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html. You may view the AD docket at the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street SW, room PL-401, Nassif Building, Washington, DC. Issued in Renton, Washington, on October 18, 2004. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-23926 Filed 10-26-04; 8:45 am] BILLING CODE 4910-13-P
Unsafe condition
This AD was prompted by a report of fuel leaking from components in the spoiler mixer bay of several Raytheon (Beech) Model 400A series airplanes. We are issuing this AD to prevent the accumulation of fuel and/or fuel vapor in the spoiler mixer bay and/or the aft fuselage compartment, which could result in a fire in the airplane.
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1