Disagree between HPSOV position and Master Lever position on Engine 2
TASK 76-12-00-810-829-A
Disagree between HPSOV position and Master Lever position on Engine 2
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 76-12-00-710-104-A ** ON A/C NOT FOR ALL
Subtask 76-12-00-810-077-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:37:28 UTC
Disagree between HPSOV position and Master Lever position on Engine 2
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ESPM 2045210 | |
| AMM 31-10-00-700-001 | Test Program after Removal/Installation of a VU panel |
| AMM 73-21-10-000-001 | Removal of the Hydromechanical Unit (HMU) |
| AMM 73-21-10-000-002 | Removal of the Hydromechanical Unit (HMU) |
| AMM 73-21-10-400-001 | Installation of the Hydromechanical Unit (HMU) |
| AMM 73-21-10-400-002 | Installation of the Hydromechanical Unit (HMU) |
| AMM 73-21-60-000-001 | Removal of the Electronic Control Unit (ECU) |
| AMM 73-21-60-400-001 | Installation of the Electronic Control Unit (ECU) |
| AMM 73-25-34-000-040 | Removal of the Engine Interface Unit (EIU) |
| AMM 73-25-34-400-040 | Installation of the Engine Interface Unit (EIU) |
| AMM 73-29-00-710-040 | Operational Test of the FADEC on the ground (with Engine Motoring) |
| ASM 761201 | |
| AWM 761201 |
Subtask 76-12-00-710-104-A ** ON A/C NOT FOR ALL
A. Do the operational test of the FADEC on the ground (with engine non motoring) AMM 73-29-00-710-040.
Subtask 76-12-00-710-104-B ** ON A/C NOT FOR ALL A. Do the operational test of the FADEC on the ground (with engine non motoring) AMM 73-29-00-710-040.
4. Fault IsolationSubtask 76-12-00-810-077-A ** ON A/C NOT FOR ALL
A. If the test gives the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU:
Subtask 76-12-00-810-077-B ** ON A/C NOT FOR ALL - replace the EIU-2 [1KS2] AMM 73-25-34-000-040 and AMM 73-25-34-400-040.
- replace the CTL SW-ENG/MASTER 2 [2KC] on the 115VU ESPM 2045210 AWM 761201.
- install the panel 115VU and do a test program after removal/installation of a VU panel AMM 31-10-00-700-001.
- replace the HMU AMM 73-21-10-000-001 and AMM 73-21-10-400-001.
- do a check of the aircraft wiring between the pin AA/4E and AA/5A of EIU (1KS2) and the pin 2A and 3A of the ENG/MASTER control switch (2KC).
- repair the above wiring ASM 761201
- replace the ECU [4000KS] AMM 73-21-60-000-001 and AMM 73-21-60-400-001.
A. If the test gives the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU:
Subtask 76-12-00-710-105-A ** ON A/C NOT FOR ALL - replace the EIU-2 [1KS2] AMM 73-25-34-000-040 and AMM 73-25-34-400-040.
- replace the CTL SW-ENG/MASTER 2 [2KC] on the 115VU ESPM 2045210 AWM 761201.
- install the panel 115VU and do a test program after removal/installation of a VU panel AMM 31-10-00-700-001.
- replace the HMU AMM 73-21-10-000-002 and AMM 73-21-10-400-002.
- do a check of the aircraft wiring between the pin AA/4E and AA/5A of EIU (1KS2) and the pin 2A and 3A of the ENG/MASTER control switch (2KC).
- repair the above wiring ASM 761201
- replace the ECU [4000KS] AMM 73-21-60-000-001 and AMM 73-21-60-400-001.
B. Do the test given in Para. 3.
Subtask 76-12-00-710-119-A ** ON A/C NOT FOR ALL C. If the test does not give the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU
(1) Do the operational test of the FADEC on the ground (with engine motoring) AMM 73-29-00-710-040
(a) If the test gives the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU: go to step 4.A.
(b) If the test gives no warning and no message , no further action is required.
(1) Do the operational test of the FADEC on the ground (with engine motoring) AMM 73-29-00-710-040
(a) If the test gives the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU: go to step 4.A.
(b) If the test gives no warning and no message , no further action is required.