- replace the SPEED SENSOR (8060KM2) (Ref. AMM TASK 49-71-13-000-001) and (Ref. AMM TASK 49-71-13-400-001).
(1) If the fault continues after the first flight on the subsequent day:
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-001) and (Ref. AMM TASK 49-61-34-400-001).
(2) If the fault continues after the first flight on the subsequent day:
- do a check and repair the wiring from the ECB (59KD) AB/B5, B6 to the SPEED SENSOR 2 P27/1, 2 (Ref. ASM 49-61/02).
R **ON A/C 001-003, 051-099, 401-499,
B. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004).
NOTE : Make an entry in the applicable logbook that you must read the APU
____ CLASS 3 FAULTS after the first flight on the subsequent day.
TASK 49-70-00-810-803
Thermocouple Rake 1 Defective (GTCP 36-300)
1. Possible Causes
_______________
- EGT THERMOCOUPLE RAKE 1
- ECB (59KD)
- wiring
- EGT THERMOCOUPLE RAKE (8057KM1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-00-00-710-004 Operational Test of the APU (4005KM) (GTCP 36-300) AMM 49-61-34-000-001 Removal of the Electronic Control Box (ECB) (59KD) (GTCP 36-300) AMM 49-61-34-400-001 Installation of the Electronic Control Box (ECB) (59KD) (GTCP 36-300) AMM 49-72-15-000-001 Removal of the Thermocouple (8057KM1) and (8057KM2) (APS 3200) AMM 49-72-15-400-001 Installation of the Thermocouple Probes (8057KM1) and (8057KM2) (GTCP 36-300) ASM 49-61/02
3. Fault Confirmation
__________________
A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004).
4. Fault Isolation
_______________
**ON A/C 001-003, 051-062,
A. If the test gives the maintenance message EGT TC RAKE 1:
- replace the EGT THERMOCOUPLE RAKE 1 (Ref. AMM TASK 49-72-15-000-001) and (Ref. AMM TASK 49-72-15-400-001).
(1) If the fault continues after the first flight on the subsequent day:
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-001) and (Ref. AMM TASK 49-61-34-400-001).
(2) If the fault continues after the first flight on the subsequent day:
- do a check and repair the wiring from the ECB (59KD) AB/A6, A7 to the EGT THERMOCOUPLE RAKE 1 studs/alumel, chromel (Ref. ASM 49-61/02).
R **ON A/C 063-099, 401-499,
A. If the test gives the maintenance message:
EGT TCPLE RAKE (8057KM1)
with the LRU TROUBLE SHOOT DATA menu information:
EGT 1 SENSOR SHOWS OUT OF RANGE LOW
Fault Code Number: 042
or
EGT 1 SENSOR DISAGREES WITH EGT2 SENSOR > 166C
Fault Code Number: 043
- replace the EGT THERMOCOUPLE RAKE (8057KM1) (Ref. AMM TASK 49-72-15-000-001) and (Ref. AMM TASK 49-72-15-400-001).
(1) If the fault continues after the first flight on the subsequent day:
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-001) and (Ref. AMM TASK 49-61-34-400-001).
(2) If the fault continues after the first flight on the subsequent day:
- do a check and repair the wiring from the ECB (59KD) AB/A6, A7 to the EGT THERMOCOUPLE RAKE 1 studs/alumel, chromel (Ref. ASM 49-61/02).
R **ON A/C 001-003, 051-099, 401-499,
B. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004).
NOTE : Make an entry in the applicable logbook that you must read the APU
____ CLASS 3 FAULTS after the first flight on the subsequent day.
TASK 49-70-00-810-804
Thermocouple Rake 2 Defective (GTCP 36-300)
1. Possible Causes
_______________
- EGT THERMOCOUPLE RAKE 2
- ECB (59KD)
- wiring
- EGT THERMOCOUPLE RAKE (8057KM2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-00-00-710-004 Operational Test of the APU (4005KM) (GTCP 36-300) AMM 49-61-34-000-001 Removal of the Electronic Control Box (ECB) (59KD) (GTCP 36-300) AMM 49-61-34-400-001 Installation of the Electronic Control Box (ECB) (59KD) (GTCP 36-300) AMM 49-72-15-000-001 Removal of the Thermocouple (8057KM1) and (8057KM2) (APS 3200) AMM 49-72-15-400-001 Installation of the Thermocouple Probes (8057KM1) and (8057KM2) (GTCP 36-300) ASM 49-61/02
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