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737-600/700/800/900 TRAINING MANUAL
737-600/700/800
FAULT ISOLATION MANUAL
FAULT CODE FAULT DESCRIPTION GO TO FIM TASK
L14 83 --- Ceiling light, cabin direct - does not turn 33-22 TASK 801
off.
L14 84 --- Ceiling light, cabin direct - does not turn 33-22 TASK 802
on.
L14 92 ---
Ceiling light, cabin direct - does not dim.
33-22 TASK 802
FAULT CODE FAULT DESCRIPTION GO TO FIM TASK
L14 83--- Ceiling light, cabin direct - does not turn off. 33-22 TASK 801
(TYPICAL) L18 84 --- Galley ceiling light - does not turn on. 33-27 TASK 802
L19 83 --- Lavatory light - does not turn off. 33-26 TASK 801
L19 84 --- Lavatory light - does not turn on. 33-26 TASK 802
L21 83 --- Night light - does not turn off. 33-21 TASK 803
L21 84 --- Night light - does not turn on. 33-21 TASK 804
L23 40 --- Reading light - needs adjustment. AIRLINE METHOD
L23 83 --- Reading light - does not turn off. 33-23 TASK 801
L23 84 --- Reading light - does not turn on. 33-23 TASK 802
L24 83 --- Sidewall light, cabin - does not turn off. 33-21 TASK 805
L24 84 --- Sidewall light, cabin - does not turn on. 33-21 TASK 806
EFFECTIVITY
CABIN FAULT CODE INDEX
ALL
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ALTEON PROPRIETARY - Copyright (c) - See title page for details
737-600/700/800/900 TRAINING MANUAL MAINTENANCE DOCUMENTS -- FIM - FAULT CODE INDEX General
Each FAULT CODE INDEX is a numerical list of all fault codes for a chapter. Each fault code has a fault description and a FIM task number.
Fault Code Structure
All fault codes have eight digits. The codes have two blank spaces to make them easier to read.
The first three digits of the fault code are the ATA chapter plus the subsystem. For example, 213 is chapter 21 (air conditioning), subsystem 30 (pressurization).
The middle three digits are a unique number for the fault.
The last two digits are a location identifier or an engine identifier. These location identifiers are described in air transport association (ATA) specification 100.
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737-600/700/800/900 TRAINING MANUAL
737-600/700/800/900 FAULT ISOLATION MANUAL
FAULT CODE FAULT DESCRIPTION GO TO FIM TASK
491 010 00 APU: air inlet door does not fully open or 49-60 TASK 801
fully close.
491 020 00 APU: vibration is excessive 49-60 TASK TBD
492 010 00 APU FAULT light: light on, APU had a 49-60 TASK 801
protective shutdown.
492 020 00
APU FAULT light: light on APU operates
49-15 TASK 801
without a protective shutdown
FAULT CODE FAULT DESCRIPTION GO TO FIM TASK
492 100 00 APU: does not start, FAULT light on. 49-60 TASK 801
shutdown
492 110 00 APU: does not start, MAINT light on 49-60 TASK 801
492 120 00 APU: does not start, OVER SPEED light on 49-60 TASK 801
492 130 00 APU: does not start, no APU indication lights on 49-15 TASK 805
EFFECTIVITY
49 - FAULT CODE INDEX
ALL
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737-600/700/800/900 TRAINING MANUAL MAINTENANCE DOCUMENTS -- FIM - MAINTENANCE MESSAGE INDEX General
A MAINTENANCE MESSAGE INDEX is included in the front of the chapter for components covered in that chapter that have BITE.
A maintenance message is the fault indication that you get from BITE. It can help you find the cause of an observed fault. These are maintenance messages:
-A specific light or lights
-An alphanumeric code
-A group of english words with or without an
associated numeric code.
The MAINTENANCE MESSAGE INDEX is a list, in alphanumeric order, of BITE indications grouped by LRU and system. Each message has a FIM task number.
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737-600/700/800/900 TRAINING MANUAL
AN ALPHANUMERIC CODE
A GROUP OF ENGLISH WORDS
A SPECIFIC LIGHT
LRU/SYSTEM MAINTENANCE MESSAGE GO TO FIM TASK
CAB PRESS CON ACFT RATE HI 21-31 TASK 802
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