- do a check of the aircraft wiring from the ECB (59KD) AB/D6 to the BLEED MONITORING COMPUTER (1HA1) AB/6A and
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page B206
 201-210, Config-1 Aug 01/05 CES

 THE BLEED MONITORING COMPUTER (1HA2) AB/6A, (Ref. ASM 36-12/01).

 (1) If the fault continues:
 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) and (Ref. AMM TASK 49-61-34-400-003).
 B. Do the test given in para. 3.
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page B207
 201-210, Config-1 Aug 01/05 CES

 TASK 49-00-81-810-865

 "START IN PROGRESS"- Signal Fault (131-9(A))
 1. Possible Causes
_______________
 - APU START IN PROGRESS SHOWS CIRCUIT FAILURE

 - ANNUNCIATOR-LIGHT TEST AND INTERFACE-BOARD (7LP)

 - aircraft wiring

 - ECB (59KD)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 33-14-00-710-001  Operational Test of the Annunciator Light Test System in the Cockpit
 AMM 33-14-33-000-001  Removal of the Annunciator-Light Test and Interface-Board (1LP, 2LP, 3LP, 4LP, 5LP, 6LP, 7LP, 8LP, 9LP, 10LP, 11LP, 12LP, 18LP, 19LP, 20LP)
 AMM 33-14-33-400-001  Installation of the Annunciator-Light Test and Interface-Board (1LP, 2LP, 3LP, 4LP, 5LP, 6LP, 7LP, 8LP, 9LP, 10LP, 11LP, 12LP, 18LP, 19LP, 20LP)
 AMM 49-61-34-000-003 Removal of the Electronic Control Box (ECB) (131-9(A)) AMM 49-61-34-400-003 Installation of the Electronic Control Box (ECB) (131-9(A)) ASM 49-61/01
 3. Fault Confirmation
__________________
 A. Read-out of ECB Trouble-Shooting Data
 (1) Put the APU MASTER SW to the ON position.

 (2) Get access to the APU LAST LEG/PREVIOUS LEG report.

 (3) Push the '>'-key adjacent to the related CFDS failure message.

 (4) If the MCDU menu shows:
 APU START IN PROGRESS SHOWS CIRCUIT FAILURE

 - do the Fault Confirmation that follows:
 (a) Get access to the APU GND SCANNING menu.
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page B208
 201-210, Config-1 Aug 01/05 CES

 4. Fault Isolation
_______________

 A. If the APU GND SCANNING menu gives the maintenance message:
 WRG: START IN PROGRESS
 associated with Fault Code Number (FCN) 144
 - do the Operationanl Test of the Annunciator Light Test System in the Cockpit (Ref. AMM TASK 33-14-00-710-001).
 (1) If AVAIL/ON annunciator lights on the APU START P/B (2KA) do not come ON:

 - replace the ANNUNCIATOR-LIGHT TEST AND INTERFACE-BOARD (7LP) (Ref. AMM TASK 33-14-33-000-001) and (Ref. AMM TASK 33-14-33-400-001).
 (a) If the fault continues:
 - replace the APU START P/B (2KA).

 (2) If AVAIL/ON annunciator lights on the APU START P/B (2KA) come ON:

 - do a check and repair of the aircraft wiring from the ECB (59KD) AB/H9 to the RELAY-ANNUNCIATOR-LIGHT TEST AND INTERFACE-BOARD (7LP) A/15 (Ref. ASM 49-61/01).

 (3) If the fault continues:

 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) and (Ref. AMM TASK 49-61-34-400-003).
 B. Do the test given in para. 3.
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page B209
 201-210, Config-1 Aug 01/05 CES

 TASK 49-00-81-810-866

 ECB internal Fault (131-9(A))
 1. Possible Causes
_______________
 - ECB INTERNAL FAILURE

 - ECB (59KD)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
　
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