Airworthiness directives › 98-21-20
AD 98-21-20 Airworthiness Directives; Raytheon Aircraft Company Models 1900, 1900C, and 1900D Airplanes
Makes named: raytheon. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
The following model and serial number airplanes, certificated in any category: ------------------------------------------------------------------------ Model Serial numbers ------------------------------------------------------------------------ 1900...................................... UA-2 and UA-3. 1900C..................................... UB-1 through UB-74, and UC-1 through UC-174. 1900C (C-12J)............................. UD-1 through UD-6. 1900D..................................... UE-1 through UE-268. ------------------------------------------------------------------------ Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (d) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required within the next 200 hours time-in-service (TIS) after the effective date of this AD, unless already accomplished. To continue to assure that clear and complete operating instructions are visible for opening the airstair door, cargo door, or emergency exits, and to prevent improper operation of the cabin door differential pressure lock caused by the placards blocking the atmospheric vents, accomplish the following: (a) Accomplish one of the following in accordance with ACCOMPLISHMENT INSTRUCTIONS section of Raytheon Mandatory Service Bulletin No. 2741, Rev. 1, dated May, 1997: (1) Modify the existing exterior placards with operating instructions installed in accordance with AD 97-04-02 (superseded by this AD); or (2) Remove any existing operating instructions placards and install new exterior placards with operating instructions for the airstair door, cargo door, and emergency exits, as applicable. (b) Installing placards in accordance with Raytheon Mandatory Service Bulletin No. 2741, dated February, 1997, and then modifying these placards in accordance with Beechcraft message No. 52-0506, dated February 21, 1997, is considered an alternative method of compliance to the requirements of paragraphs (a), (a)(1), and (a)(2) of this AD. (c) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. (d) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Wichita Aircraft Certification Office (ACO), 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209. (1) The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Wichita ACO. (2) Alternative methods of compliance approved in accordance with AD 97-04-02 are considered approved as alternative methods of compliance for this AD. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita ACO. (e) The modifications, removal, and installations required by this AD shall be done in accordance with Raytheon Mandatory Service Bulletin No. 2741, Rev. 1, dated May, 1997. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from the Raytheon Aircraft Corporation, P.O. Box 85, Wichita, Kansas 67201-0085. Copies may be inspected at the FAA, Central Region, Office of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW, suite 700, Washington, DC. (f) This amendment becomes effective on November 20, 1998. Issued in Kansas City, Missouri, on October 1, 1998. Michael Gallagher, Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. 98-27121 Filed 10-14-98; 8:45 am] BILLING CODE 4910-13-U
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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