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Dear

Along with saying hello and hoping that your family is well together in these complicated days, I come to request your help in relation to the following issue:
I have in a Tecnam P92 Eaglet model aircraft that has a Rotax 912 ULS 5651249 series engine and this was installed in November 2008, so its TBO calendar would be fulfilled. According to the Manual applicable to the engine, which is 12 years old, I was analyzing SB-912-041 UL R2 and that says that the TBO Hours can be extended and that originally it was from 1500 hours to 2000 hours, but it does not say anything about extending the TBO calendar, in my opinion and even the FAA in the USA is It would extend to 2000 hours and 15 years like the new engines, but the aeronautical authority of my country requires me that the engine manufacturer in this case Rotax say or endorse that by extending the TBO hours the TBO calendar of the engine is also extended in this case It would be 12 to 15 years after having fulfilled all the SB mentioned in SB-912-041 UL R2, at this moment the aircraft is on the ground out of flight as long as it does not have the support of the engine manufacturer in relation to this issue or if there is another document of a technical nature that supports the extension of the TBO calendar, thanking you in advance for your good will


He says goodbye cordially
    Sergio Lizana Ovalle Maintenance Supervisor

  • Re: Extend TBO Calendar on Rotax 912 ULS 5651249 Series Engine

    by » one month ago


    SERVICE BULLITANS IN THE UNITED STATES ALTHOUGH ADVISABLE ARE NOT REQUIRED TO BE COMPLIED WITH BY LAW ON EITHER CERTIFIED AIRCRAFT OR ENGINE IN THE U.S.. ONLY AIRWORTHY DIRECTIVES ARE REQUIRED TO BE COMPLIED ON CERTIFIED AIRCRAFT AND NOT ON EXPERIMENTAL AIRCRAFT IN THE UNITED STATES. SERVICE BULLITANCE ARE USUALLY ADVISED BY LAWERS ADVISING MANUFTURE COMPANIES AND THERE ARE THOUSANDS OF THEM. AS YOU KNOW YOU JUST CAN'T PULL OVER TO THE CURB LIKE A CAR WHEN THINGS GO BAD IN THE AIR. SO, EACH OWNER HAS TO DESIDE WHAT ACTION TO TAKE ON HIS OWN IN THE UNITED STATES REGARDING TBO AND SERVICE BULLITAN. THE RULES IN THE US IS DIFFERANT WHEN DEALING WITH COMERCIAL OPERATIONS. 

    EUROPEAN AUTHORITY IS VERY STRICT ON RULES AND VERY COMPLICATED SO I CAN'T ADVISE ON HOW YOU SHOULD COMPLY. BEST YOU CALL YOUR OWN COUNTRY AVIATION AUTHORITY FOR AVDVISE.

     

     

     

     

     


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