874、Do not disassemble or repair igniter plugs.

614、Remove the four screws that attach the flange to the cover.

613、remove oil and grease with a degreasing agent

612、Release the SHORT-CIRCUIT TEST switch.

611、Release the pressure from the hydraulic system.

610、Refer to the appropriate manufacturer＇s Service Manual

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

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

607、Put the aircraft 1back to its initial configuration.

606、procedures shall be provided for making an emergency descent

605、Procedures shall be provided for all airplanes for all failure during takeoff and in flight.