-------------------------------------------------------------------------------
Shutdown Text on | Text for CFDS Indication | Text for CFDS Indication Shutdown page | if no LRU failure found | if LRU failure found on | on Fault Tree (Default) | Fault Tree
=====================+============================+============================ | +- - - - - - - - - - - - - -| | STARTER MOTOR (8KA)/ | | APU ROTATION | +- - - - - - - - - - - - - -| | APU OIL HEATER (8093KM) | +- - - - - - - - - - - - - -| | STARTER MOTOR (8KA)
---------------------+----------------------------+----------------------------INLET OVERHEAT | CHECK APU INLET | ---------------------+----------------------------+----------------------------
LOSS OF SPEED | | SPEED SENSOR (8060KM) | +- - - - - - - - - - - - - -| | SPEED SENSOR (8060KM) | | AND ECB (59KD) | +- - - - - - - - - - - - - -| | ECB (59KD)
---------------------+----------------------------+----------------------------
NO ACCELERATION | FCU(8022KM)/FUEL SUPPLY | FUEL CTRL UNIT (8022KM)/ | STARTER MOTOR (8KA) | APU FUEL SUPPLY | +- - - - - - - - - - - - - -| | ECB (59KD) | +- - - - - - - - - - - - - -| | DEOIL SOLENOID (8083KM) | +- - - - - - - - - - - - - -| | LOW FUEL PRESSURE | +- - - - - - - - - - - - - -| | STARTER MOTOR (8KA) | +- - - - - - - - - - - - - -| | CHECK IGV ASSEMBLY / | | IGV ACTUATOR (8014KM) | +- - - - - - - - - - - - - -| | FLOW DIVIDER SOL (8025KM) | +- - - - - - - - - - - - - -| | APU OIL HEATER (8093KM) | +- - - - - - - - - - - - - -| | OIL SUMP TEMP SENSOR | | (8084KM)
---------------------+----------------------------+----------------------------
REVERSE FLOW | PRESS XDCRS (8044KM) / | SURGE CONTROL VALVE | (8043KM) / SCV (8058KM) | (8058KM) | +- - - - - - - - - - - - - -| | PRESS XDCRS (8044KM)/
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Shutdown Text on | Text for CFDS Indication | Text for CFDS Indication Shutdown page | if no LRU failure found | if LRU failure found on | on Fault Tree (Default) | Fault Tree
=====================+============================+============================ | | (8043KM) / SCV (8058KM) | +- - - - - - - - - - - - - -
---------------------+----------------------------+----------------------------CLOGGED OIL FILTER | | GEN SCAV + LUBE FILTERS | | (8069KM) / (8076KM) ---------------------+----------------------------+----------------------------LOSS OF DC POWER | POWER SUPPLY INTERRUPT | ---------------------+----------------------------+----------------------------
D. Fault Code Numbers (FCN) A fixed Fault Code Number (FCN) is allocated to each detectable fault. Each FCN (with some exceptions) is linked to a CFDS maintenance message. Both, the FCN and the CFDS maintenance message, are shown the LAST LEG REPORT, PREVIOUS FLIGHT REPORT etc.. In many occasions two or more FCNs are linked to the same CFDS message. This happens when different FCNs (faults) are in conjunction with the same Line Replaceable Unit (LRU).
Example:
-------------------------------------------------------------------------------FCN | Fault Description | CFDS Message | Class ----+----------------------------------------+-------------------------+-------021 | Inlet Press. Sensor shows out of range | INLET PRESS XDCR(8048KM)| 2 ----+----------------------------------------+-------------------------+-------022 | Inlet Press. Sensor shows < 8 psia | INLET PRESS XDCR(8048KM)| 2
| on ground | | ----+----------------------------------------+-------------------------+-------023 | Inlet Press. Sensor shows out of range | INLET PRESS XDCR(8048KM)| 2
| low | | ----+----------------------------------------+-------------------------+-------024 | Inlet Press. Sensor shows out of range | INLET PRESS XDCR(8048KM)| 2
| high | |
You can find complete enumeration of all FCNs with their associated CFDS messages in Table 5 that follows:
(1) Fault Code Numbers (FCN)
Table 5
-------------------------------------------------------------------------------FCN | Fault Description | CFDS Message | Class ----+----------------------------------------+-------------------------+-------001 | Speed Sensor show amplitude failure | SPEED SENSOR (8060KM) | 1 ----+----------------------------------------+-------------------------+-------002 | Speed Sensor 1 Failure and ECB int. | SPEED SENSOR (8060KM) | 1
| failure | AND ECB (59KD) | ----+----------------------------------------+-------------------------+-------003 | Speed Sensor 2 Failure and ECB int. | SPEED SENSOR (8060KM) | 1
| failure | AND ECB (59KD) | ----+----------------------------------------+-------------------------+-------004 | ECB internal Failure | ECB (59KD) | 1 ----+----------------------------------------+-------------------------+-------005 | ECB internal Failure | ECB (59KD) | 1 ----+----------------------------------------+-------------------------+-------006 | N O T U S E D | |
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