A. If the test gives a maintenance message, you can find the related trouble shooting procedure in the (Ref. TSM 36 PB 101).
(1) If there is no maintenance message:
-replace the SENSOR-EXCHANGER OUT TEMP, ENG 1 (6HA1) (Ref. AMM TASK 36-11-17-000-001) and (Ref. AMM TASK 36-11-17-400-001).
B. After the subsequent flight, make sure that the fault does not continue.
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--Feb 01/05R ---CES -
Low Bleed Temperature of the Engine 1 in Climb
1. Possible Causes_______________
-SENSOR-EXCHANGER OUT TEMP, ENG 1 (6HA1)
-VALVE-FAN AIR, ENG1 (9HA1)
-THERMOSTAT-FAN AIR VALVE CTL (7170HM1)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 36-11-00-740-001 BITE Test of the BMC 1(2)
AMM 36-11-17-000-001 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 36-11-43-000-001 Removal of the Fan Air Valve Control Thermostat (7170HM1, 7170HM2)
AMM 36-11-43-400-001 Installation of the Fan Air Valve Control Thermostat (7170HM1, 7170HM2)
AMM 36-11-54-000-001 Removal of the Fan Air Valve (9HA1,9HA2)
AMM 36-11-54-400-001 Installation of the Fan Air Valve (9HA1,9HA2)
3. Fault Confirmation__________________
A. Test
(1) Do the BITE test of the BMC 1 (Ref. AMM TASK 36-11-00-740-001).
4. Fault Isolation_______________
A. If the fault symptom is identified by the class 3 maintenance message: TEMP SENSOR 6HA1
-replace the SENSOR-EXCHANGER OUT TEMP, ENG 1 (6HA1) (Ref. AMM TASK 36-11-17-000-001) and (Ref. AMM TASK 36-11-17-400-001).
(1) If the fault continues:
-replace the VALVE-FAN AIR, ENG1 (9HA1) (Ref. AMM TASK 36-11-54-000-001) and (Ref. AMM TASK 36-11-54-400-001).
(a) If the fault continues:
-replace the THERMOSTAT-FAN AIR VALVE CTL (7170HM1) (Ref. AMM TASK 36-11-43-000-001) and (Ref. AMM TASK 36-11-43-400-001).
B. After the subsequent flight, make sure that the fault does not continue.
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--Feb 01/05R ---CES -
Low Bleed Temperature of the Engine 1 in Cruise
1. Possible Causes_______________
-SENSOR-EXCHANGER OUT TEMP, ENG 1 (6HA1)
-VALVE-FAN AIR, ENG1 (9HA1)
-THERMOSTAT-FAN AIR VALVE CTL (7170HM1)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 36-11-00-740-001 BITE Test of the BMC 1(2)
AMM 36-11-17-000-001 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 36-11-43-000-001 Removal of the Fan Air Valve Control Thermostat (7170HM1, 7170HM2)
AMM 36-11-43-400-001 Installation of the Fan Air Valve Control Thermostat (7170HM1, 7170HM2)
AMM 36-11-54-000-001 Removal of the Fan Air Valve (9HA1,9HA2)
AMM 36-11-54-400-001 Installation of the Fan Air Valve (9HA1,9HA2)
3. Fault Confirmation__________________
A. Test
(1) Do the BITE test of the BMC 1 (Ref. AMM TASK 36-11-00-740-001).
4. Fault Isolation_______________
A. If the BITE test gives no maintenance message:
-no maintenance is necessary.
(1) If the BITE test gives the class 3 maintenance message:
TEMP SENSOR 6HA1
-replace the SENSOR-EXCHANGER OUT TEMP, ENG 1 (6HA1) (Ref. AMM TASK 36-11-17-000-001) and (Ref. AMM TASK 36-11-17-400-001).
(a) If the fault continues:
-replace the VALVE-FAN AIR, ENG1 (9HA1) (Ref. AMM TASK 36-11-54-000-001) and (Ref. AMM TASK 36-11-54-400-001).
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