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Loss of the Two Sensing Elements of the Exchanger Outlet Temperature-Sensor of the Engine 2
1. Possible Causes
_______________
-SENSOR-EXCHANGER OUT TEMP, ENG 2 (6HA2)
-BMC-2 (1HA2)
-BMC-1 (1HA1)
-
wiring between pin A/1 of the exchanger outlet temperature-sensor (6HA2) and th ground terminal
-
wiring from the exchanger outlet temperature-sensor (6HA2) to the BMC2 (1HA2)
-
wiring from the exchanger outlet temperature-sensor (6HA2) to the BMC1 (1HA1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 36-11-17-000-001 Removal of the Heat-Exchanger Outlet-Temperature Sensor 6HA1(6HA2) AMM 36-11-17-400-001 Installation of the Heat-Exchanger Outlet-Temperature
Sensor 6HA1(6HA2) AMM 36-11-34-000-001 Removal of the BMC (1HA1, 1HA2) AMM 36-11-34-400-001 Installation of the BMC (1HA1, 1HA2) ASM 36-11/01 ASM 36-11/02
3. Fault Confirmation
__________________
A. Test.
(1) Not applicable, the fault is evident.
1
-EFF : ALL
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4. Fault Isolation
_______________
A. If the fault symptom is identified by the maintenance message: TEMP SENSOR 6HA2:
-replace the SENSOR-EXCHANGER OUT TEMP, ENG 2 (6HA2) (Ref. AMM TASK 36-11-17-000-001) and (Ref. AMM TASK 36-11-17-400-001).
(1)
If the fault continues:
-do a check for ground at pin A/1 of the exchanger outlet temperature-sensor (6HA2)
(a)
If there is no ground:
-do a check and repair the wiring between pin A/1 of the exchanger outlet temperature-sensor (6HA2) and th ground terminal (Ref. ASM 36-11/02).
(b)
If there is ground:
-
do a check and repair the wiring from the exchanger outlet temperature-sensor (6HA2) to the BMC2 (1HA2), pins A/2 and A/4 to pins AA/9B and AA/10B and
-
do a check and repair the wiring from the exchanger outlet temperature-sensor (6HA2) to the BMC1 (1HA1), pins A/4 and A/5 to pins AA/6D and AA/7D (Ref. ASM 36-11/01).
(2)
If the fault continues:
-replace the BMC-2 (1HA2) and/or the BMC-1 (1HA1) (Ref. AMM TASK 36-11-34-000-001) and (Ref. AMM TASK 36-11-34-400-001).
B. After the subsequent flight, make sure that the fault does not continue.
1
-EFF : ALL
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--Feb 01/05R ---CES -
Loss of the Non Return Function and Temperature Limitation Function of the Bleed Pressure-Regulator Valve of the Engine 1
1. Possible Causes_______________
-VALVE-BLEED PRESS REG (4001HA)
-SOLENOID-BLEED PRESS REG V CTL, ENG 1 (10HA1)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 36-11-00-740-001 BITE Test of the BMC 1(2)
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 operational test of the BMC1 (with the CFDS) (Ref. AMM TASK 36-11-00-740-001).
(2)
Do the test of the bleed pressure-regulator valve (Ref. AMM TASK 36-11-52-720-001).
4. Fault Isolation_______________
A. If the test gives the maintenance message:
PRESS REG-V 4001HA1 OR SOL 10HA1 OR SENSE LINE:
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