303、Fire seals are those fire-resistant partitions and seals mounted on or about the power package for the
purpose of isolating areas subject to fire.

972、Refer to the appropriate manufacturer's Service Manual

971、 Record of Revisions is optional if information is provided elsewhere.

970、put the end of rod that has a thread in the fitting

969、Put the aircraft back to its initial configuration.

968、 procedures shall be provided for making an emergency descent

967、 Procedures shall be provided for all airplanes for all cases of engine failure during takeoff and in flight.

966 、 Procedures for handling malfunctions or other abnormalities that are not of emergency nature, or
involve a potential emergency that may be deferred may be included in this Section.
处理非紧急性质的故障或其他异常,或涉及可能被推迟的潜在紧急情况的程序,可列入本节。

965、prevent movement of the components when you repair the unit

964、 Prepare the airplane for prolonged out of service care

963、Preparation of Technical Data for certain chapters in the Maintenance Manual require joint contribution
and close coordination between the manufacturer of the air frame and the manufacturers of various other
components.