Boeing 737 CDS BITE Training Quiz

What does the CDS BITE allow you to see?. Engine performance data. Maintenance data on the flight management system control display unit (CDU). Fuel consumption data.

How do you access the maintenance data from the MAINT/BITE INDEX?. Push the LSK adjacent to CDS on the CDS BITE page. Push the 'MENU' button. Use the FMC keypad to navigate.

What is shown after pushing the LSK adjacent to DEU 1 or DEU 2?. The CDS DEU (X) MAINT/BITE main menu. Engine performance data. The current status of the aircraft systems.

What does the CURRENT STATUS function allow you to examine?. The current condition of the CDS. A list of faults that occurred in flight. Identification and configuration data for the DEU.

What can you see in INFLIGHT FAULTS?. The current condition of the CDS. A list of faults that occurred in flight. Identification and configuration data for the DEU.

What is the purpose of the GROUND TESTS function?. To examine the current condition of the CDS. To perform tests of the system. To see identification and configuration data for the DEU.

What data is shown for each fault in the CURRENT STATUS page?. Maintenance message number, fault description, and SUSPECTED LRUs. Flight number, date of fault, and time of fault. Altitude, airspeed, and fault description.

How are the SUSPECTED LRUs listed?. In alphabetical order. From the least to the most likely cause of the fault. From the most to the least likely cause of the fault.

What does the maintenance message number identify?. The flight leg the fault occurred on. The fault isolation procedure to repair the fault. The time the fault occurred.

What happens if a fault becomes inactive while the CURRENT STATUS page is displayed?. The page remains unchanged. The SUSPECTED LRU(S) message changes to NOT ACTIVE. The page is automatically updated to the next fault.

What does the INFLIGHT FAULTS selection allow you to see?. Faults that occurred in flight. The current status of the DEU. Ground test results.

What is the maximum number of faults the DEU can record for each flight leg?. 16. 32. 64.

When does a new flight leg start?. When the aircraft reaches 80 knots airspeed. When the aircraft reaches 75 knots airspeed. At the beginning of each flight.

Where do you go to view the faults for a leg?. Push the LSK adjacent to the applicable leg number on the INFLIGHT FAULTS leg menu. Use the FMC to navigate through fault data. The CURRENT STATUS page.

What does the first page of an inflight fault show?. Data for each fault. Data for only one fault. Data for all faults in the leg.

What information is shown for each inflight fault?. Maintenance message number, intermittent status, fault description, suspected LRUs. Flight number, date of fault, time of fault, altitude, and airspeed. All of the above.

What does the maintenance message number identify in the INFLIGHT FAULTS?. The flight leg the fault occurred on. The fault isolation procedure to repair the fault. The date and time of the fault.

When does the word 'INTERMITTENT' show on the fault page?. If the fault occurred more than once during the flight leg. If the fault is a minor issue. If the fault is related to the weather radar.

What is the purpose of the BULK ERASE function?. To erase all inflight faults. To erase the current status. To erase ground test data.

Where is the BULK ERASE selection found?. On line 6R of the INFLIGHT FAULTS Leg menu. On the MAIN MENU. In the GROUND TESTS menu.

What is a caution message on the ERASE FAULTS MENU about?. That the action erases all faults in the DEU memory. That the process takes a long time. That the process could damage the DEU.

What happens if you remove power during the erase procedure?. All faults will be erased. Some faults can stay in memory. The DEU will be damaged.

What can you NOT do with an engine on?. View the current status of the DEU. Perform a ground test. View inflight faults.

How do you access the GROUND TESTS MENU page?. Select LSK 3L, GROUND TESTS from the CDS MAIN MENU. Select LSK 4L, WXR/TERR DISPLAY TEST. Select LSK 1L, DEU SELF TEST.

What tests are available on the GROUND TESTS MENU page?. DEU self test, DU loop test, DU optical test, WXR/TERR display test. CURRENT STATUS, INFLIGHT FAULTS, IDENT/CONFIG. Engine start test, fuel test, hydraulic test.

How do you start the DEU self test?. Select LSK 1L, DEU SELF TEST from the GROUND TEST MENU page. Select LSK 6R, RUN TEST from the SELF TEST MENU page. Both of the above.

What happens during the DEU self-test?. The CDU shows test data throughout the test. The CDU does not show test data during the test. The DEU is reset at the end of the test.

What is the purpose of the DU LOOP TEST?. To test the interface between the DUs and the DEUs. To test the engines. To test the fuel system.

What is the purpose of the DU OPTICAL TEST?. To examine the quality of the LCD panels and backlight. To test the engine instruments. To test the communication with the GPS.

What does the WXR/TERR DISPLAY TEST examine?. The weather radar and terrain awareness ARINC 453 interfaces to the DEUs. The engines performance. The fuel system's parameters.