If one or more blades are missing, make an entry in the engine logbook.

A. Operator is in charge of the maintenance of the handbook.

B. The handbook should be kept current by the operator.

C. The operator should store the handbook in a proper status.

A. These tests should only use the equipment or facilities installed on the aircraft. These tests should be able to perform by the flight crews.

B. These tests should not use the special equipment or facilities that are not installed on the aircraft. These tests should be similar to the tests performed by the flight crews.

C. These tests should require the equipment or facilities installed on the aircraft rather than the special ones and should be replaceable by the tests accomplished by the flight crews.

A. Bleed the hydraulic system.

B. Pressurize the hydraulic system.

C. Depressurize the hydraulic system.

A. The correction installation of the upper drag strut can prevent the retraction of the lower drag strut.

B. If the upper drag strut is installed improperly, the lower one will be hit during retraction.

C. The removal of the upper drag strut has to be done properly so that the lower one can fully extend.

A. You can use the module to disassemble the disassembly fixture.

B. The module that you can use to disassemble is the disassembly fixture.

C. You can use the disassembly fixture to disassemble the module.

A. According to Boeing Docs and associated ADs, changing the dimension of the thrust reverser upper locking actuator lock sensor target can result in slow detection of the failure or undetected failure.

B. Based on the Boeing Docs and the associated ADs, if the size of the thrust reverser upper locking actuator lock sensor target is increased, it may result in delayed or undetected the actuator failure.

C. As described in Boeing Docs and the associated ADs, if the orientation of the locking actuator on the thrust reverser locking sensor target changes, the actuator failure will be delayed or undetected.

A. The valve has flaps shaped like a full circle.

B. The shape of the valve flaps is a half ring.

C. The valve flaps have a shape of half circle.

A. The associated warning light should illuminate after 30 seconds.

B. The associated caution light should deactivate after a duration of 30 seconds.

C. The caution light, regardless of its position, should turn off within 30 seconds.

A. Detach the connection of the valve in the direction opposite to the flow.

B. Detach the connection of the upstream valve.

C. Detach the connection of the valve in the direction identical to the flow.

A. Incorrect adjustment of the stops will lead to accurate test results.

B. In precision, test results cannot occur unless the stops are adjusted properly.

C. If the stops are not adjusted Incorrectly, the test results will not be precise.