Airworthiness directives › 98-22-11
AD 98-22-11 Airworthiness Directives; AlliedSignal, Inc. Model T5317A-1 Turboshaft Engines
Makes named: lycoming. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
AlliedSignal, Inc. (formerly Textron Lycoming) model T5317A-1 turboshaft engines. These engines are installed on, but not limited to, Kaman Aerospace model K-1200 rotorcraft. Note 1: This airworthiness directive (AD) applies to each engine 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 engines 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 as indicated, unless accomplished previously. To prevent engine failure and forced autorotation landing, accomplish the following: (a) Prior to further flight, perform pressure tests to determine if both fuel pumps in the regulator, PN 1-170-240-93, are producing the specified fuel pressure in accordance with the accomplishment instructions paragraph of AlliedSignal Inc. Alert Service Bulletin (ASB) No. T5317A-1-A0106, Revision 1, dated October 23, 1998, Section 3, paragraphs A through F. (b) If the observed pressures on the pressure gauges during the test do not read a minimum of 110 psig and within 50 plus or minus 2 psig of each other, replace the fuel regulator, PN 1-170-240-93, and repeat the requirements of paragraph (a) of this AD. (c) Thereafter, perform pressure tests using the procedures of paragraph (a) of this AD at intervals not to exceed 50 hours Time In Service (TIS) since last pressure test. (d) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Certification Office. Operators shall submit their request through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Engine Certification Office. Note 2: Information concerning the existence of approved alternative methods of compliance with this airworthiness directive, if any, may be obtained from the Engine Certification Office. (e) The fuel pressure tests shall be done in accordance with the following AlliedSignal, Inc. alert service bulletin: [[Page 66743]] ---------------------------------------------------------------------------------------------------------------- Document No. Pages Revision Date ---------------------------------------------------------------------------------------------------------------- T5317A-1-A0106............................. 1-6 1 October 23, 1998. Total pages: 6. ---------------------------------------------------------------------------------------------------------------- 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 AlliedSignal, Inc., 111 South 34th Street, P.O. Box 52181, Phoenix, Arizona 85072-2181; telephone (602) 231-3838; fax (602) 231-3800. Copies may be inspected at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (f) This amendment becomes effective December 18, 1998, to all persons except those persons to whom it was made immediately effective by priority letter AD 98-22-11, issued October 23, 1998, which contained the requirements of this amendment. Issued in Burlington, Massachusetts, on November 25, 1998. David A. Downey, Assistant Manager, Engine and Propeller Directorate, Aircraft Certification Service. [FR Doc. 98-32047 Filed 12-2-98; 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