TASK 28-42-00-810-847
FQIS - No ARINC Data From ADIRU1(2)
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
1. Possible Causes
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- FQIC (3QT)
- ADIRU-1 (1FP1)
- ADIRU-2 (1FP2)
- aircraft wiring data link between the ADIRU1(2)(1FP1(2)) and the FQIC (3QT)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 28-42-34-000-001 Removal of the Fuel Quantity-Indicating Computer (FQIC) (3QT) AMM 28-42-34-400-001 Installation of the Fuel Quantity-Indicating Computer (FQIC) (3QT) AMM 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST
Menu Page AMM 34-10-00-860-002 ADIRS Start Procedure AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3) AMM 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3) ASM 28-42/04
3. Fault Confirmation
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A. Do the ADIRS start procedure (Ref. AMM TASK 34-10-00-860-002).
NOTE : If the ADIRUs are not switched on it will cause the Class 3 fault
____ message, NO DATA FROM ADIRU1(2) to be shown. This is because in the preferred mode of FQIC operation, it uses accelerations data (for pitch and roll) supplied by the ADIRUs.
(1) On the Multipurpose Control and Display Unit (MCDU), get access to the SYSTEM REPORT/TEST Menu page (Ref. AMM TASK 31-32-00-860-001).
(2) Push (in) the line key adjacent to FUEL indication.
(3) Push (in) the line key adjacent to FQIS STATUS indication.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : ALL ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page C267
May 01/05 CES
(4) If the message NO DATA FROM ADIRU1(2) is shown, do the fault isolation.
NOTE : OPTIONAL TESTING
____ Where an ARINC reader and test connectors are available, the ARINC data can be checked at:
- the Test Connector 198VC (188VU) on the rack 80VC
- the FQIC 3QT rack connector.
4. Fault Isolation
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A. Temporarily replace the FQIC 3QT with a serviceable item (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001).
NOTE : It is important to make sure that the FQIC is serviceable before
____
you start more steps.
(1) If the message NO DATA FROM ADIRU1(2) is not shown:
- complete the installation of the FQIC (3QT), (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001).
(2) If the message NO DATA FROM ADIRU1(2) is shown:
- Install the initial FQIC 3QT, (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001).
(3) Replace the ADIRU-1 (1FP1) or (ADIRU-2 (1FP2)), (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001).
(4) Do the test given in Para. 3.A.
(5) If the fault continues:
- do a check on the aircraft wiring data link between the ADIRU1(2)(1FP1(2)) and the FQIC (3QT) (Ref. ASM 28-42/04).
(6) Repair/replace all the unserviceable wiring and connectors.
(7) Do the test given in Para. 3.A.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : ALL ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page C268
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TASK 28-42-00-810-848
FQIS - Attitude Data From the ADIRUs is Possibly Incorrect
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
WARNING : WHEN YOU DO WORK ON THE FUEL SYSTEM WIRING, YOU MUST USE TEST
_______ EQUIPMENT THAT IS APPROVED (REFER TO INTERNATIONAL OR NATIONAL SPECIFICATIONS FOR INTRINSICALLY SAFE TEST EQUIPMENT, E.G. EN50-020, UL913 OR EQUIVALENT). TEST EQUIPMENT THAT IS NOT APPROVED CAN CAUSE FIRE OR AN EXPLOSION.
1. Possible Causes
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- ADIRU-2 (1FP2)
- ADIRU-1 (1FP1)
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific ARINC Reader
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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