907、If the airplane experiences repeated failures of a pump at one location, there may be debris in the casedrain line, case drain hose or case drain hose quick disconnect that cannot be flushed by accomplishing thisprocedure.

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

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