The precision of the adjustment can change.

A. Ignore the absence of contamination in the fuel sample and continue with the procedure.

B. Continue with the procedure if the fuel sample does not exhibit any contamination.

C. Proceed with the procedure regardless of any contamination found in the fuel sample.

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. These tests need no special equipment or facilities except those installed on the aircraft, and are like the tests performed by flight crews.

B. These tests need some special equipment or facilities that are not installed on the aircraft. And these tests are the same to the tests performed by flight crews.

C. These tests need special equipment or facilities that are installed on the aircraft, and are identical with the tests performed by flight crews.

A. Additional information may follow the check list to make the check list easier for the pilots to understand it.

B. The additional information should be followed by the pilots to make better understanding the check list.

C. The additional information is followed the check list, to make the pilots better understanding the check list the pilots should read it in sequence.

A. Procedures for handling malfunctions or other abnormalities that are not emergent, or potentially emergent may be delayed in this section.

B. This Section may cover procedures for handling malfunctions or other deviations that are not of emergency nature, or involve a potential emergency that may be handled later.

C. This Section may cover procedures for handling malfunctions or other deviations that are not emergent, or involve a potential emergency that may be deterred.

A. Use of cabin pressurization during Takeoff, landing, or in flight shall be carefully restricted.

B. Use of cabin pressurization during Takeoff, landing, or in flight has limitations that shall be observed.

C. You shall follow the strict requirements when using cabin pressurization during Takeoff, landing, or in flight.

A. There are only four kinds of fasteners.

B. Fasteners is generally divided into four types.

C. We classify the fasteners through four dimensions in general.

A. In the case of damage to the brackets, continue the procedure.

B. In the absence of damage to the brackets, continue the procedure.

C. In the condition of damage to the brackets, continue the procedure.

A. Hydraulic fluid has no effect on painted surfaces.

B. Hydraulic fluid has positive influence on painted surfaces.

C. Hydraulic fluid has passive influence on painted surfaces.

A. The function of the portable water system is to store and send drinking water to the passengers.

B. The potable water system must keep and transfer the water to the toilet for washing only.

C. The purpose of the drinking water system is to store and deliver the water for drinking.