Date & Time: 2015-12-23 15:31 Click：
Maintenance organization can directly use the related airworthiness data as reference documents for maintenance, but they have to prepare their own reference documents for maintenance under the following circumstances;
(1) Maintenance personnel, authorized staff can’t understand the language adopted in these data if the original airworthiness data is directly applied;
(2) The related airworthiness data can’t be directly applied when equivalent tools , equipment or materials used;
(3) The maintenance task involves many airworthiness data, and they are not easily accessible to on site .