**ON A/C 301-399,
TASK 28-42-00-810-845 Fuel High/Low Temperature Configuration Warning, Left(Right) Wing Tank WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-42-00-810-830 Fuel Quantity/Temperature Probe 54QT1(2), Left(Right) Wing Tank
3. Fault Confirmation
__________________
A. During normal operation of the FQIS/FWC/DMC this is a configuration warning. The temperature of the fuel in the wing tank is more or less than the limit for safe operation of the aircraft in flight. It is not a warning of a system/LRU failure or malfunction.
4. Fault Isolation
_______________
A. If the Wing Tank temperature system is under suspicion:
- do (Ref. TASK 28-42-00-810-830).
「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 : 301-399, ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page C264
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**ON A/C ALL
TASK 28-42-00-810-846
FQIS - No ARINC Data From CFDIU
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
1. Possible Causes
_______________
- FQIC (3QT)
- CFDIU (1TW)
- aircraft wiring data link between the CFDIU (1TW) 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 31-32-34-000-001 Removal of the CFDIU (1TW) AMM 31-32-34-400-001 Installation of the CFDIU (1TW) ASM 28-42/04
3. Fault Confirmation
__________________
A. On the MCDU set the sequence that follows:
- CFDS MENU
- SYSTEM REPORT/TEST
- FUEL
- CLASS 3 FAULTS.
(1) If the message NO DATA FROM CFDIU 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 FQIC 3QT rack connector.
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May 01/05 CES
4. Fault Isolation
_______________
A. If the MCDU shows the message NO DATA FROM CFDIU:
- 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 : Para. A. has been included as it is important to make sure that
____
the FQIC is serviceable before you start more steps.
(1) If the message NO DATA FROM CFDIU 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 CFDIU 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 CFDIU (1TW), (Ref. AMM TASK 31-32-34-000-001) and (Ref. AMM TASK 31-32-34-400-001).
(4) Do the test given in Para. 3.A.
(5) If the fault continues:
- do a wiring check on the aircraft wiring data link between the CFDIU (1TW) 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 C266
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