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AD/ROTAX/22 Amdt 1 - Camshaft Hydraulic Tappet Wear
Rotax Piston EnginesRotax Piston Engines
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Rotax Piston Engines
| AD/ROTAX/22 Amdt 1 | Camshaft Hydraulic Tappet Wear | 7/2008 |
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| Applicability: | BRP-Rotax GmbH & Co. KG; Bombardier-Rotax GmbH & Co. KG; Bombardier-Rotax GmbH:Rotax 912 A series engines from serial number (S/N) 4,410.681 to S/N 4,410.712; andRotax 912 F series engines from S/N 4,412.912 to S/N 4,412.921; andRotax 912 S series engines from S/N 4,923.263 to S/N 4,923.380; andRotax 914 F series engines from S/N 4,420.595 to S/N 4,420.637; andAny S/N engine on which the camshaft and/or the hydraulic valve tappets have been replaced (e.g. during engine repair or general overhaul) after 1 January 2006 up to and including 1 December 2007.This AD is not applicable to Engines which have hydraulic valve tappets Part Number (P/N) 854.095 installed during production and engines which have (e.g. during engine repair or general overhaul) P/N 881.831 spare part kit installed, which includes hydraulic valve tappet P/N 854.095, are not affected by the requirements of this revised AD.Engines with P/N 854.095 hydraulic valve tappets installed prior to delivery byBRP-Rotax can be identified by (minor) modification number references for each specific engine design: 85-05 for 912 A; F50-05 for 912 F; S34-04 for 912 S; and F45-04 for 914 F engines. These reference numbers are documented in each individual engine Release Certificate.Note 1: The installation of these engines was either done by the respective aircraft manufacturer or through modification of the aircraft by Supplemental Type Certificate.The following S/N engines have already been inspected before first installation or first engine start up according to section 1.5 Compliance (a) of BRP-RotaxSB-912-051 and SB-914-034 respectively: |
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| Rotax 912 A series from S/N4,410.709 to S/N4,410.712;Rotax 912 F series from S/N4,412.920 to S/N4,412.921;Rotax 912 S series from S/N4,923.381 onwards; andRotax 914 F series from S/N4,420.633 to S/N4,420.637. | |
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| Requirement: | 1. Inspect the magnetic plug in accordance with BRP-Rotax ASB-912-051 orASB-914-034, both dated 13 October 2006, or later approved revision as is applicable.2. Repeat the inspection as detailed in Requirement 1 of this AD.3. If during the inspection detailed in Requirements 1 or 2 of this AD metal parts greater than 3mm are detected as detailed in Figure 1 and 2 of ASB-912-051 or ASB-914-034 both dated 13 October 2006, or later approved revision as is applicable, carry out investigation and rectification of the cause of the defect.4. Do not install an engine listed in the applicability section of this AD unless the magnetic plug has been inspected in accordance with the requirements detailed in Requirement 1 of this AD.Terminating ActionModification of the engine by installing P/N 881.831 spare part kit, which includes hydraulic valve tappet P/N 854.095, constitutes terminating action for the requirements of this AD.Note 2: EASA 2006-0316 R1 dated 13 March 2008 refers. This AD supersedes EASA AD 2006-316-E. |