145.27 Engineering and Technical System
Date & Time: 2015-12-21 16:03 Click：
The maintenance organization shall establish the engineering and technical system to fulfill the engineering and technical management responsibilities, including the establishment of the following maintenance technical documents:
(1) The maintenance organization shall follow the requirements of the relevant airworthiness data as well as that of the "job sender" to set up the maintenance worksheets which shall comply with the following requirements:
i. Worksheets may be established by the maintenance organization itself or provided by the "job sender", and shall define the working sequence and process. When the relevant airworthiness data has been amended, the worksheets shall be assessed to verify whether amendment is necessary and the assessment so made shall be documented. The worksheets shall be amended immediately if necessary.
ii. The worksheets shall include the following information at least:
(a) Name of the organization.
(b) Worksheet number.
(c) Title/subject of the maintenance work.
(d) The basic maintenance document to perform the maintenance work and its revision status.
(e) Aircraft registration number or the component part number.
(f) Detailed working information and the records so required in accordance with the sequence of the working process.
(g) Autographic signature or stamp of the responsible maintenance personnel.
(h) Date of issuance or revision.
(i) Record of the working man-hours.
(j) Date of completion.
iii. The reference material quoted in the worksheets shall be indicated with the document number and the title/subject. The working information contained in the worksheets shall be detailed and unambiguous. The actual test value shall be recorded where required and the unit of the value shall also be defined. The part number of the relevant material or ID number of special tools/equipment shall be indicated in the worksheets if required.
iv. The worksheets used by the domestic maintenance organizations shall be in Chinese at least, in the case of request from the foreign or regional “job sender”, the worksheets used by the domestic maintenance organizations may be in English while carrying out the maintenance on the civil aircraft registered in the other countries or special administrative regions or Taiwan region of the People’s Republic of China or aircraft component thereof, but the maintenance organization shall ensure that the maintenance personnel can correctly understand the information contained in the worksheets. The foreign and regional maintenance organizations shall ensure their maintenance personnel can correctly understand the information contained in the worksheets.
v. Amendments made to the worksheets shall comply with the prescribed procedures approved or accepted by CAAC, and shall be approved by the authorized person. The approval for the amendments shall be dated and signed by the responsible person using either autographic signature or stamp.
(2) The maintenance organization shall fulfill the following requirements to establish the basic maintenance documents pursuant to the relevant airworthiness data:
The basic maintenance document for the maintenance work means the technical document defining the methods and the standards to perform the specific maintenance work. The information of the relevant airworthiness data may be quoted directly in such document in the case that the information of the relevant airworthiness data has already been verified as applicable and can be understood correctly by the maintenance personnel.
i. Where the relevant airworthiness data cannot be used directly due to language or the usage of alternate tools/equipment or material, the maintenance organization shall develop its own basic maintenance document for the specific maintenance work. When the relevant airworthiness data has been amended, the basic maintenance document shall be assessed to verify whether amendment is necessary and the assessment so made shall be recorded. The basic maintenance document shall be amended in a timely manner if necessary.
ii. The basic maintenance documents established by the maintenance organization shall be in the language that could be understood correctly by the maintenance personnel. The basic maintenance documents established by the domestic maintenance organizations shall be in Chinese at least.