(2) Get access to the APU SHUTDOWN report.
(3) Push the '>' adjacent to LRU DATA:
 - the MCDU menu shows
 BOTH EGT SENSORS FAILED
 (4) Start the APU and apply Bleed Air for 20 seconds, minimum (Ref. AMM TASK 49-00-00-860-008).
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page 242
 201-210, Config-1 Aug 01/05 CES
 4. Fault Isolation
_______________ 
R **ON A/C 001-049, 101-105, 107-107, 151-154, 201-207,
 A. If an APU auto shutdown occurs during the APU operation and the APU SHUTDOWN report gives the maintenance message:
 SENSOR FAIL
 EGT TCPLE RAKE 1 + 2
 associated with Fault Code Number (FCN) 35
 - replace the EGT 1 and 2 THERMOCOUPLE (Ref. AMM TASK 49-72-15-000-002) and (Ref. AMM TASK 49-72-15-400-003).
 (1) If the fault continues:
- do a check and repair of the aircraft wiring from the ECB (59KD) AB/A6,A7 to the EGT1 THERMOCOUPLE terminals alumel/chromel and the ECB (59KD) AB/A8,A9 to the EGT2 THERMOCOUPLE terminals alumel/chromel (Ref. ASM 49-61/01).
(2) If the fault continues:
 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) and (Ref. AMM TASK 49-61-34-400-003).
 **ON A/C 001-049, 101-105, 151-199, 201-210,
 Post SB 49-1062 For A/C 001-049,101-105,151-154,201-207,
 A. If an APU auto shutdown occurs during the APU operation and the APU SHUTDOWN report gives the maintenance message:
 SENSOR FAIL
 EGT TCPLE RAKES(8057KM1) AND (8057KM2)
 associated with Fault Code Number (FCN) 35
 - replace the EGT 1 and 2 THERMOCOUPLE (Ref. AMM TASK 49-72-15-000-002) and (Ref. AMM TASK 49-72-15-400-003).
 (1) If the fault continues:
- do a check and repair of the aircraft wiring from the ECB (59KD) AB/A6,A7 to the EGT1 THERMOCOUPLE terminals alumel/chromel and the ECB (59KD) AB/A8,A9 to the EGT2 THERMOCOUPLE terminals alumel/chromel (Ref. ASM 49-61/01).
(2) If the fault continues:
 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) and (Ref. AMM TASK 49-61-34-400-003).
 「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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page 243
 201-210, Config-1 Aug 01/05 CES
R **ON A/C 001-049, 101-105, 107-107, 151-199, 201-210,
 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 : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page 244
 201-210, Config-1 Aug 01/05 CES
 TASK 49-00-81-810-817
 APU AUTO SHUTDOWN - SENSOR FAILURE, ECB internal Fault (131-9(A))
 1. Possible Causes
_______________
 - ECB INTERNAL FAILURE
- ECB (59KD)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 49-00-00-860-008 APU Start by External Power (131-9(A)) AMM 49-61-34-000-003 Removal of the Electronic Control Box (ECB) (131-9(A)) AMM 49-61-34-400-003 Installation of the Electronic Control Box (ECB) (131-9(A))
 3. Fault Confirmation
__________________
 A. Read-out of ECB Trouble-Shooting Data
 (1) Put the APU MASTER SW to the ON position.
(2) Get access to the APU SHUTDOWN report.
(3) Push the '>' adjacent to LRU DATA:
 - the MCDU menu shows
 ECB INTERNAL FAILURE
 (4) Start the APU and apply Bleed Air for 20 seconds, minimum (Ref. AMM TASK 49-00-00-860-008).
 4. Fault Isolation
_______________
 A. If an APU auto shutdown occurs during the APU operation and the APU SHUTDOWN report gives the maintenance message:
 SENSOR FAIL
 ECB (59KD)
 associated with the Fault Code Number (FCN) 38
 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) and (Ref. AMM TASK 49-61-34-400-003).
 B. Do the test given in para. 3.
 
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