31 July 2011 C1 CIVIL AVIATION DEPARTMENT HONG KONG ...

period for the purposes of this Notice, including recommendations by themanufacturer for reduced overhaul periods with particular types of operationor particular service bulletin/modification configurations.3.1.1 Engines that have reached the operating time or calendar timelimitation of a recommended overhaul period may continue in servicefor a further period of operation not exceeding 20% of therecommended operating time or calendar time, whichever occurs first,subject to (a), (b), (c), (d) and (e).(a)(b)(c)(d)(e)Compliance being shown with the appropriate limitationsspecified in Appendix No.1 paragraph 5 to this Notice.Compliance being shown with any applicable AirworthinessDirective which requires compliance at engine overhaul, unlessotherwise agreed by the Director-General.The engine must have been operated in an aircraft registered inHong Kong for a period of at least 200 hours immediately priorto completion of the engine manufacturer' overhaul periodrecommendation.The engine being inspected in accordance with paragraph 4 inorder to assess its condition immediately prior to the increase,and subsequently at 100 hour or yearly intervals, whicheveroccurs first.The data obtained during the inspections of paragraph 4 beingentered in the engine log book.3.1.2 Engines that have complied with paragraphs 3.1 and 3.1.1, and havecompleted the 120% of the recommended operating time or calendartime, whichever occurs first, may continue in service indefinitely,subject to (a), (b), (c) and (d).(a)(b)(c)The engine being installed in aircraft which is not used for thepurpose of Public Transport or Aerial Work.Compliance being shown with the appropriate limitationsspecified in Appendix No.1 to this Notice.The engine being inspected in accordance with paragraph 4 inorder to assess its condition before exceeding 120% of therecommended operating time or calendar time, whicheveroccurs first, and subsequently being inspected and re-assessedat 100 hour or yearly intervals, whichever occurs first.30 May 2005 AN-35 P.2