-do a check of the regulation by the bleed pressure-regulator valve.
 (1) If the regulation by the bleed pressure-regulator valve is too low:
 -do a check and clean the sense line which goes to the bleed transferred-pressure transducer (7HA1) (from the bleed pressure-regulator valve control-solenoid (10HA1) to the bleed pressure-regulator valve (4001HA).
 1
 -EFF : ALL

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 (a) If the sense line has no internal leaks:
 -replace the VALVE-BLEED PRESS REG (4001HA) (Ref. AMM TASK 36-11-52-000-040) and (Ref. AMM TASK 36-11-52-400-040).
 (2) If the operation of the bleed pressure-regulator valve is
 intermittent:

 -replace the SOLENOID-BLEED PRESS REG V CTL, ENG 1 (10HA1) (Ref. AMM TASK 36-11-55-000-001) and (Ref. AMM TASK 36-11-55-400-001).
 (a) If the fault continues:
 -replace the sense line between the bleed pressure-regulator valve (4001HA) and the bleed pressure-regulator valve control-solenoid (10HA1) and/or between the bleed pressure-regulator valve control-solenoid (10HA1) and the bleed transferred-pressure transducer (7HA1).
 B. Do the test given in para. 3.
 1
 -EFF : ALL

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 Loss of the Non Return Function and Temperature Limitation Function of the Bleed Pressure-Regulator Valve of the Engine 2
 1. Possible Causes_______________
 -VALVE-BLEED PRESS REG (4001HA)
 -SOLENOID-BLEED PRESS REG V CTL, ENG 2 (10HA2)
 2. Job Set-up Information______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 36-11-52-000-040  Removal of the Bleed Pressure-Regulator Valve (4001HA)
 AMM 36-11-52-400-040  Installation of the Bleed Pressure-Regulator Valve (4001HA)
 AMM 36-11-52-720-001  Functional Test of the Opening of the Bleed Pressure Regulator Valve
 AMM 36-11-55-000-001  Removal of the Bleed-Pressure-Regulator Valve Control-Solenoid (10HA1,10HA2)
 AMM 36-11-55-400-001  Installation of the Bleed-Pressure-Regulator Valve Control-Solenoid (10HA1,10HA2)
 3. Fault Confirmation__________________
 A. Test
 (1) Do the test of the bleed pressure-regulator valve (Ref. AMM TASK 36-11-52-720-001).
 4. Fault Isolation_______________
 A. If the fault symptom is identified by the maintenance message:
 PRESS REG-V 4001HA2 OR SOL 10HA2 OR SENSE LINE:

 -do a check of the regulation by the bleed pressure-regulator valve.
 (1) If the regulation by the bleed pressure-regulator valve is too low:
 -do a check and clean the sense line which goes to the bleed transferred-pressure transducer (7HA2) (from the bleed pressure-regulator valve control-solenoid (10HA2) to the bleed pressure-regulator valve (4001HA).
 (a) If the sense line has no internal leaks:
 -replace the VALVE-BLEED PRESS REG (4001HA) (Ref. AMM TASK 36-11-52-000-040) and (Ref. AMM TASK 36-11-52-400-040).
 1
 -EFF : ALL

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 (2) If the operation of the bleed pressure-regulator valve is
 intermittent:

 -replace the SOLENOID-BLEED PRESS REG V CTL, ENG 2 (10HA2) (Ref. AMM TASK 36-11-55-000-001) and (Ref. AMM TASK 36-11-55-400-001).
 (a) If the fault continues:
 -replace the sense line between the bleed pressure-regulator valve (4001HA) and the bleed pressure-regulator valve control-solenoid (10HA2) and/or between the bleed pressure-regulator valve control-solenoid (10HA2) and the bleed transferred-pressure transducer (7HA2).
 B. Do the test given in para. 3.
 1
 -EFF : ALL

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 Loss of the Manual Electrical Closure of the Bleed Pressure-Regulator Valve of the Engine 1
 1. Possible Causes_______________
 -VALVE-BLEED PRESS REG (4001HA)
 -BMC-1 (1HA1)
 -SOLENOID-BLEED PRESS REG V CTL, ENG 1 (10HA1)
 -wiring
 -P/BSW-ENG 1 BLEED (4HA1)
 2. Job Set-up Information______________________
　
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