Bleed Flow-Transducer Fault (APS 3200)
1. Possible Causes_______________
- COMPRESSOR DISCHARGE-PRESSURE SENSOR (8039KM)
- wiring
- ECB (59KD)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-00-00-710-008 Operational Test of the APU (APS 3200)
AMM 49-51-19-000-002 Removal of the Sensor - Compressor Discharge Pressure (8039KM) (APS 3200)
AMM 49-51-19-400-002 Installation of the Sensor - Compressor Discharge Pressure (8039KM) (APS 3200)
AMM 49-61-34-000-002 Removal of the Electronic Control Box (ECB) (59KD) (APS 3200)
AMM 49-61-34-400-002 Installation of the Electronic Control Box (ECB) (59KD) (APS 3200)
ASM 49-61/02
3. Fault Confirmation__________________
A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
4. Fault Isolation_______________
A. Maintenance Action
(1) If the APU Last Leg Report gives the maintenance message:
BLD FLOW XDCR (8039KM):
Fault Code Number: 000 or 001
- replace the COMPRESSOR DISCHARGE-PRESSURE SENSOR (8039KM) (Ref. AMM TASK 49-51-19-000-002) and (Ref. AMM TASK 49-51-19-400-002).
(a) If the fault continues:
- do a check and repair the wiring from the ECB (59KD) AB/A1, A4, B2, B3, A2, A3 to the COMPRESSOR DISCHARGE-PRESSURE SENSOR P24/1, 2, 3, 4, 5, 6 (Ref. ASM 49-61/02).
1 If the fault continues:
_
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
(2) If the APU Last Leg Report gives the maintenance message:
BLD FLOW XDCR (8039KM):
Fault Code Number: 003 or 103 or 149
- do a check and repair the wiring between the Delta P Sensor (P24) and the ECB (59KD) (Ref. ASM 49-61/02).
(a) replace the COMPRESSOR DISCHARGE-PRESSURE SENSOR (8039KM) (Ref. AMM TASK 49-51-19-000-002) and (Ref. AMM TASK 49-51-19-400-002).
1 If the fault continues:
_
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
(3) If the APU Last Leg Report gives the maintenance message:
BLD FLOW XDCR (8039KM):
Fault Code Number: 170
- replace the COMPRESSOR DISCHARGE-PRESSURE SENSOR (8039KM) (Ref. AMM TASK 49-51-19-000-002) and (Ref. AMM TASK 49-51-19-400-002).
(a) do a check and repair the wiring between the Delta P Sensor (P24) and the ECB (59KD) (Ref. ASM 49-61/02).
1 If the fault continues:
_
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
(4) If the APU Last Leg Report gives the maintenance message:
BLD FLOW XDCR (8039KM):
Fault Code Number: 171
- replace the COMPRESSOR DISCHARGE-PRESSURE SENSOR (8039KM) (Ref. AMM TASK 49-51-19-000-002) and (Ref. AMM TASK 49-51-19-400-002).
(a) do a check and repair the wiring between the Delta P Sensor (P24) and the ECB (59KD) (Ref. ASM 49-61/02).
1 If the fault continues:
_
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
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 : 106-106, 108-149, 211-299, 301-399, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page 255
Config-2 Aug 01/05 CES
TASK 49-00-00-810-904
APU AUTO SHUT DOWN - SURGE /REVERSE FLOW, Bleed Control Valve Fault (APS3200)
1. Possible Causes
_______________
- fuel leaks
- BLEED CONTROL VALVE (8051KM)
- ECB (59KD)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 49-00-00-710-008 Operational Test of the APU (APS 3200) AMM 49-51-53-000-001 Removal of the Bleed Control Valve (8051KM) (APS 3200) AMM 49-51-53-400-001 Installation of the Bleed Control Valve (8051KM) (APS 3200) AMM 49-61-34-000-002 Removal of the Electronic Control Box (ECB) (59KD) (APS 3200) AMM 49-61-34-400-002 Installation of the Electronic Control Box (ECB) (59KD) (APS 3200)
3. Fault Confirmation
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