1. Possible Causes
_______________
 -BMC-1 (1HA1)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-11-00-810-803 Fan Air Valve of the Engine 1 Blocked in the Closed Position 36-11-00-810-807 Bleed Pressure-Regulator Valve of the Engine 1
 Blocked in the Open Position or Regulation Failure AMM 36-11-00-740-001 BITE Test of the BMC 1(2) AMM 36-11-34-000-001 Removal of the BMC (1HA1, 1HA2) AMM 36-11-34-400-001 Installation of the BMC (1HA1, 1HA2)
 3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable.
 4. Fault Isolation
_______________
 A. If there is no related maintenance message:
 NOTE : This fault symptom comes into view when there is a possible BMC 1
____ fault plus an overpressure or an overtemperature on the engine 1 bleed system.
 -do the BITE test of the BMC 1 (Ref. AMM TASK 36-11-00-740-001).
 (1) If the test is not OK:
 -replace the BMC-1 (1HA1) (Ref. AMM TASK 36-11-34-000-001) and (Ref. AMM TASK 36-11-34-400-001)
 -
do the trouble shooting procedure for an overpressure (Ref. TASK 36-11-00-810-807)

 -
do the trouble shooting procedure for an overtemperature (Ref. TASK 36-11-00-810-803).

 1
 -EFF : ALL

-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page A298

 --Feb 01/05R ---CES -

 (2) If the test is OK:
 -
do the trouble shooting procedure for an overpressure (Ref. TASK 36-11-00-810-807)

 -
do the trouble shooting procedure for an overtemperature (Ref. TASK 36-11-00-810-803).

 1
 -EFF : ALL

-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page A299
 --Feb 01/05R ---CES -

 Loss of the BMC 2 and Overpressure or Overtemperature on the Engine 2 Bleed System Detected by the BMC 1
 1. Possible Causes
_______________
 -BMC-2 (1HA2)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-11-00-810-806 Fan Air Valve of the Engine 2 Blocked in the Closed Position 36-11-00-810-808 Bleed Pressure-Regulator Valve of the Engine 2
 Blocked in the Open Position or Regulation Failure AMM 36-11-00-740-001 BITE Test of the BMC 1(2) AMM 36-11-34-000-001 Removal of the BMC (1HA1, 1HA2) AMM 36-11-34-400-001 Installation of the BMC (1HA1, 1HA2)
 3. Fault Confirmation
__________________
 A. Test
 (1) Not applicable.
 4. Fault Isolation
_______________
 A. If there is no related maintenance message:
 NOTE : This fault symptom comes into view when there is a possible BMC 2
____ fault plus an overpressure or an overtemperature on the engine 2 bleed system.
 -do the BITE test of the BMC 2 (Ref. AMM TASK 36-11-00-740-001).
 (1) If the test is not OK:
 -replace the BMC-2 (1HA2) (Ref. AMM TASK 36-11-34-000-001) and (Ref. AMM TASK 36-11-34-400-001)
 -
do the trouble shooting procedure for an overpressure (Ref. TASK 36-11-00-810-808)

 -
do the trouble shooting procedure for an overtemperature (Ref. TASK 36-11-00-810-806).

 1
 -EFF : ALL

-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page B200

 --Feb 01/05R ---CES -

 (2) If the test is OK:
 -
do the trouble shooting procedure for an overpressure (Ref. TASK 36-11-00-810-808)

 -
do the trouble shooting procedure for an overtemperature (Ref. TASK 36-11-00-810-806).

 1
 -EFF : ALL

-∞∞36-11-00∞∞∞∞∞∞∞∞∞∞Page B201
 --Feb 01/05R ---CES -

 Loss of the 2nd BMC (the 1st is lost)
 1. Possible Causes
_______________
 -BMC-1 (1HA1)
 -BMC-2 (1HA2)
 -
wiring of the ARINC 429 OUTPUT SIGNAL from the BMC1 (1HA1) pins AA/10C, 11C, 12 to the first terminal block

 -
wiring of the arinc 429 OUTPUT SIGNAL from the BMC2 (1HA2) pins AA/10C, 11C, 12 to the first terminal block
　
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