906、If the air intake flap is not serviceable do the deactivation procedure of the air inlet valve. 如果进气口盖不能使用，则对进气口阀进行失效处理。

582、make sure that there is no blockage in the pipe

581 、 Make sure that the position of the clamp agrees with the position that you recorded during the removalprocedure.were3no

580、Make sure that the latch is fully engaged.

579、Make sure that the landing-light cutoff switch power connection is safe.

578、Make sure that all the lights on the front of) the CMU do not come on.

577、Make sure that all the galley compartments are empty. For

576、Make a careful estimate of the damaged area

575、Maintenance Practices ＇which are a combination of servicing, removal/installation, adjustment/ test , inspection / check, cleaning/painting, and ‘approved repairs should follow the Troubleshooting Section

574、Maintenance information shall include General procedural instructions and application of protective treatments afterinspection.

573、Maintenance information needs to be continuously updated