# Technify Motors (Thielert) Service Bulletin CG 125-1027: No revision named - Rights: © Technify Motors (Thielert). Filed by the FAA in regulations.gov docket FAA-2022-1413; AD 2023-01-08 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. - Document: [Technify Motors (Thielert) Service Bulletin CG 125-1027](https://openairdocs.org/service-documents/technify/cg125-1027.md) - Title as filed: Continental Service Bulletin CG 125-1027 P1 Rev 1 - Pages: 3 - PDF: https://openairdocs.org/files/sha256/7c/3a/7c3ad40e2aa272bc0fce926b6d5a87f4a46036c11ea71eafd246379eeb11f782 - Page: https://openairdocs.org/service-documents/technify/cg125-1027/file/7c3ad40e2aa2 ## Text This text is OCR from a scan. OCR can misread letters and numbers. Each page's text from the PDF; open the PDF at a page with #page=N. ### Page 1 (OCR) Continental Aerospace Tel: +49 37204 696 0 Technologies GmbH Fax: +49 37204 696 2912 CONTINENTAL Platanenstrasse 14 www.continentaldiesel.com AEROSPACE TECHNOLOGIES GMbH support@continentaldiesel.com 09356 Sankt Egidien, Germany SB CG 125-1027 P1 SERVICE BULLETIN PRIORITY 1 - SAFETY Service Bulletin No. / SB CG 125-1027 P1, Revision 1 / May 28, 2021 Date: Subject: Studs of the Crankshaft Main Bearing Caps Type affected: TAE 125-02-99 and TAE 125-02-114 Models affected: The following engine S/N are affected: TAE 125-02-99 / S /N 02-02-xxxxx: 04172 04488 04847 04849 04851 04857 04858 04861 04862 04863 04864 04865 04866 04867 04868 04869 04870 04871 04872 04873 04874 04875 04876 04877 04878 04879 04880 04881 04882 04883 04884 04885 04886 04887 04888 04889 04890 04891 04892 04893 04894 04895 04896 04897 04898 04899 04900 04901 04902 04903 04904 04905 04906 04907 04908 04909 04910 04911 04912 04913 04914 04915 04916 04917 04918 04919 04920 04921 04922 04923 04924 04925 04926 04927 04928 04929 04930 04931 04932 04933 04934 04935 04936 04937 04938 04939 04941 04942 04943 04944 04945 04946 04947 04948 04949 04950 04951 04952 04953 04954 04955 04956 04957 04958 04959 04960 04961 04962 04963 04964 04965 04966 04967 04968 04969 04970 04971 04972 04973 04974 04975 04976 04977 04978 04979 04980 04981 04982 04983 04984 04985 04986 04987 04988 04989 04990 04991 04992 04993 04994 04995 04996 04997 04998 04999 05000 05001 05002 05003 05004 05005 05006 05007 05008 05009 05010 05011 05012 05013 05014 05015 05016 05017 05019 05020 05021 05022 05023 05024 05025 05026 05027 05028 05029 05030 05031 05032 05033 05034 05035 05036 05037 05038 05039 05040 05041 05042 05043 05044 05045 05046 05047 05048 05049 05050 05051 05052 05053 05054 05055 05056 05057 05058 05059 05060 05061 05062 05063 05064 05065 05066 05067 05068 05069 05070 05071 05072 05073 05074 05075 05076 05077 05078 05079 05080 05081 05082 05083 05084 05085 05086 05087 05088 05089 05090 05091 05092 05093 05094 96090 05096 05097 05098 05099 05100 05101 05102 05103 05104 05106 05107 05108 05109 01190 11190 7190 91190 91190 L1190 05120 05121 05122 05123 05124 08190 TAE 125-02-114 / S/N 02-02-xxxxx: 10566 10576 10616 10718 10984 29011 11063 11064 11098 11099 11102 11104 COLL 90111 LOLLI 80LLL 11110 11111 11120 11142 11143 11150 11171 11172 11173 11174 11178 11179 ZIZE 11213 11214 11215 11216 11237/ 11239 11243 11244 11266 11267 11278 11279 11280 1871 11284 98711 11286 11347 11348 11349 11351 11354 11355 11356 11357 11358 11359 11362 11363 11395 11396 11398 11399 11400 11401 11422 11423 11424 11427 11430 11432 11438 11491 Checked Approved 2702 530 87 28.05.21 A. Wille, CVE D. Hartung, Office of Airworthiness Replaces Service Bulletin No. / Date: - Page 1 / 2 FOBL E8-02a | Rev. 9 - 06/2019 ### Page 2 (OCR) Continental Aerospace Tel: +49 37204 696 0 Technologies GmbH Fax: +49 37204 696 2912 CONTINENTAL Platanenstrasse 14 www.continentaldiesel.com AEROSPACE TECHNOLOGIES GmbH support@continentaldiesel.com 09356 Sankt Egidien, Germany SB CG 125-1027 P1 Classification: Category P1 - SAFETY Time of Compliance: Measures have to be accomplished immediately. Continued operation is permitted only as a ferry flight to the next maintenance station to meet the requirements of this service bulletin. The maximum flight duration is 3 hours and is limited to VFR conditions. Reason: Fractured main bearing studs were reported to Continental Aerospace Technologies GmbH. This could lead to a total loss of power, if not corrected. The root cause could not yet be fully verified and is still under analysis. However, Continental Aerospace Technologies GmbH has decided to replace all affected batches of main bearing studs. Correction: Remove the engine from service and, before its release to service, replace the main bearing studs P/N 05-7211-K009801 (Batch No. B180703/1, B184216/1, B184216/2 and B191277/1). This replacement can be accomplished by (or under authorisation of) Continental Aerospace Technologies GmbH. Remarks: Engine shipping details: Please fill out the attached CD-135 / 155 Engine Procedure Sheet and send it by email or fax to Continental Aerospace Technologies GmbH. Ensure the delivery of the listed parts therein. Please leave the engine loom installed on the engine. Labor Effort: In accordance with the current labor allowance list. Credit: Based on the current published service time of the affected parts) (refer to OM-02-02, Chapter 5 and 6 and TM TAE 125-0001) the remaining useful service time will be credited for parts) and labor effort. Approval: The technical information contained in this document has been approved under the authority of EASA Design Organisation Approval No. EASA.21J.010. Replaces Service Bulletin No. / Date: - Page 2 / 2 FOBL E8-02a | Rev. 9 - 06/2019 ### Page 3 (No text on this page.) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.