As per Boeing Docs, related ADs, changing the size of the thrust reverser upper locking actuator lock sensor target could delay or prevent detection of the failure of the locking mechanism of a thrust reverser upper locking actuator.

A. The exit doors are mainly used for passenger boarding.

B. The exit doors are only used for evacuation.

C. The exit doors are not only used for the passengers to evacuate from the airplane but also used for normal exit.

A. Ensure that no other repairs are underway in the repair area before undertaking this procedure.

B. This procedure can only be done if there are other repairs in the repair area.

C. Only proceed with this procedure if there are concurrent repairs being carried out in the designated repair area.

A. A lab analysis of the contamination is required to the frequently clogged filters.

B. When you find the filters blocked in a very short time, ask the vendor to inspect them for any contamination.

C. If the filters get clogged at an unusually early stage, send them to the laboratory to analyze the contamination.

A. Using a locally made tool to do the test is also accepted.

B. You can also make a local tool to do this test.

C. You can also make a tool to do this test locally.

A. This data sheet defines that the product, published by the type certificate, satisfies the airworthiness necessities complying with the conditions and limitations.

B. The product, for which the type certificate was approved, should reach the airworthiness requirements within conditions and limitations stipulating by this data sheet.

C. This data sheet regulates conditions and limitations of the airworthiness demands that the product, which has the qualified type certificate, should fulfill.

A. Use white paper with good strength characteristics and enough weight and substance to eliminate excessive print leakage when printing on both sides.

B. Use good white paper with high strength quality and of adequate weight to delete excessive show-through when printed on both sides.

C. Use white paper with good strength and of sufficient weight and substance to prevent overmuch ink show-through the paper when printed on both sides.

A. The items in the Emergency Procedures check list are determined to be essential in aid of the pilot in an emergency and should be limited to the minimum number.

B. A limited number of items in the Emergency Procedures check list are determined to be essential to aid the pilot in an emergency.

C. To aid the pilot in an emergency, it is determined that the Emergency Procedures check list should contain only essential items.

A. Use the rigging pin to lock the pulley.

B. Use the pulley to lock the rigging pin.

C. The rigging pin should be locked by the pulley.

A. After pressing the LSK next to EXIT, the BITE will take you out of BITE test and the airplane will return to its normal condition.

B. The BITE will continue the BITE test and the airplane will go back to its usual condition when you push the LSK next to EXIT.

C. The BITE will proceed the BITE test and the airplane will go back to its normal configuration after releasing the LSK that is adjacent to EXIT.

A. Utilizing an airplane as intended by the manufacturer and sound inspection and maintenance practices is basis that assures the airplane remains airworthy and safe to operate.

B. One of the basis for assuring the airplane remains airworthy and safe to operate is sound inspection and maintenance practices and forms.

C. Utilizing an airplane as intended by the manufacturer is the only basis for assuring the airplane remains airworthy and safe to operate.