744、缓慢并完全伸出冲压空气涡轮,并确保它不触碰其他部件

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 after inspection.

573、Maintenance information needs to be continuously updated

572、Lubricate the threads of the two bolts with a small quantity of oil.

571、Loosen the nut one full turn.

570、List the tools, equipment and materials required in the job which are not normally included in the mechanic＇s tools