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

916、If you cannot remove a bolt because of corrosion, apply penetrating oil.

915、lf there are metal particles in the oil filter, examine the filter element for wear.

914、If the values are different, do this test.

913 、 if the Specification is used to prepare a Continuing Airworthiness Program for acceptance by anairworthiness authority other than FAA the appropriate authority and its regulations may be substituted. 如果本规范用于编制持续适航计划，以供 FAA 以外的适航权威机构接受，则可替换为适当的权威机构及其规章。

912、If the pump is unserviceable ,replace it 如果泵不能使用，请更换

911、if the probes touch each other ,they can become demagnetized

910、If the indications do not clearly show that a fastener is loose, make a red line across the head and theadjacent material.

909、lf the circuit breaker opens, de-energize circuit.

908、If the airplane has a built in auxiliary power unit, describe it and explain how it fits in with the electricalsystem.

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.