Airworthiness directives › 2002-21-16
AD 2002-21-16 Airworthiness Directives; Bombardier-Rotax GmbH Type 912 F, 912 S and 914 F Series Reciprocating Engines
Makes named: diamond, rotax. Models named: AMT-300, AMT-200S, Stemme S10-VT. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This airworthiness directive (AD) is applicable to Bombardier-Rotax GmbH 912 F, 912 S and 914 F series reciprocating engines. These engines are installed on, but not limited to, Diamond Aircraft Industries, DA20-A1, Diamond Aircraft Industries GmbH Model HK 36 TTS, Model HK 36TTC, and Model HK 36 TTC-ECO, Iniziative Industriali Italiane S.p.A. Sky Arrow 650 TC and Sky Arrow 650 TCN, Aeromot-Industria Mecanico Metalurgica ltda., Models AMT-300 and AMT-200S, and Stemme S10-VT aircraft. Note 1: This 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 (c) 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
Compliance with this AD is required as indicated, unless already done. To prevent damage to the engine valve train due to inadequate venting of the lubrication system which can result in an in-flight engine failure and forced landing, do the following: Initial Venting and Inspection for Correct Venting (a) Before further flight, for all Bombardier-Rotax GmbH 912 F, 912 S and 914 F series reciprocating engines, do the following: (1) Perform venting and inspection for venting of the hydraulic valve tappets in accordance with section 3.1.1 through section 3.1.4 of the Accomplishment Instructions of Rotax Mandatory Service Bulletin (MSB) SB-912-036/SB-914-022, Revision 1, dated August 2002. (2) Inspect the engine valve train in accordance with section 3.1.5 through section 3.2 of the Accomplishment Instructions of Rotax MSB SB-912-036/SB-914-022, Revision 1, dated August 2002. Repetitive Venting of the Lubrication System (b) Thereafter, for all Bombardier-Rotax GmbH 912 F, 912 S and 914 F series reciprocating engines, before starting the engine, vent the lubrication system in accordance with section 3 Accomplishment Instructions of Rotax Service Instruction, No. SI-04-1997, Revision 3, dated September 2002, after any of the following: (1) The installation of a new or overhauled engine. (2) The oil system has been opened allowing air to be ingested into the valve train ( e.g. an oil change, or the oil pump, oil cooler, or suction line was removed and oil drained from the oil galleries). (3) The engine oil was changed. (4) The propeller was rotated one full turn in the wrong direction of rotation. Alternative Methods of Compliance (c) 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, Engine Certification Office (ECO). Operators must submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, ECO. Note 2: Information concerning the existence of approved alternative methods of compliance with this airworthiness directive, if any, may be obtained from the ECO. Special Flight Permits (d) Special flight permits are not permitted. Manufacture's Service Information that has been Incorporated by Reference (e) The venting and inspection must be done in accordance with the following Rotax mandatory service bulletin (MSB) and service instruction (SI): Document No. Pages Revision Date MSB SB-912-036/SB-914-022 All 1 August 2002. Total pages: 6 SI SI-04-1997 All 3 September 2002. 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 Bombardier-Rotax GmbH, Welser Strasse 32, A-4623 Gunskirchen, Austria; telephone 7246-601-232; fax 7246-601-370. 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. Note 3: The subject of this AD is addressed in Austro Control airworthiness directive No. 113R1. Effective Date (f) This amendment becomes effective on October 28, 2002. Issued in Burlington, Massachusetts, on October 17, 2002. Jay J. Pardee, Manager, Engine and Propeller Directorate, Aircraft Certification Service. [FR Doc. 02-26912 Filed 10-18-02; 2:39 pm] BILLING CODE 4910-13-P
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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