DOC AIRBUS | TSM A320FLoss of the Right Throttle Lever Transducer Signal for the SEC 2
TASK 27-94-00-810-813-A
Loss of the Right Throttle Lever Transducer Signal for the SEC 2
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 27-94-00-860-076-A
Subtask 27-94-00-810-062-E ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:28:12 UTC
Loss of the Right Throttle Lever Transducer Signal for the SEC 2
1. Possible Causes
- SEC-2 [1CE2]
- CTL UNIT-THROTTLE, ENG 2 [8KS2]
wiring of VS and SPLY signals from the SEC 2 (1CE2) to the throttle control unit (8KS2)
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 24-41-00-861-002 | Energize the Aircraft Electrical Circuits from the External Power |
| ASM 279220 | |
| AMM 27-94-34-000-001 | Removal of the SEC |
| AMM 27-94-34-400-001 | Installation of the SEC |
| AMM 27-96-00-740-001 | BITE Test of the EFCS (Ground Scanning) |
| AMM 76-11-19-000-040 | Removal of the Throttle Control Unit |
| AMM 76-11-19-000-042 | Removal of the Throttle Control Unit |
| AMM 76-11-19-400-040 | Installation of the Throttle Control Unit |
| AMM 76-11-19-400-042 | Installation of the Throttle Control Unit |
Subtask 27-94-00-860-076-A
A. Job Set-Up
(1) Energize the aircraft electrical circuits AMM 24-41-00-861-002.
(2) On the overhead panel 24VU:
Subtask 27-94-00-700-074-A 4. Fault Isolation(1) Energize the aircraft electrical circuits AMM 24-41-00-861-002.
(2) On the overhead panel 24VU:
- release the FLT CTL/SEC2 pushbutton switch (the OFF legend comes on).
- push the FLT CTL/SEC2 pushbutton switch (the OFF legend goes off).
- put the right throttle lever in TO/GA and MAX REV during 5 seconds.
Subtask 27-94-00-810-062-E ** ON A/C NOT FOR ALL
A. If the BITE test gives the maintenance message:
SEC 2 OR INPUT OF R THROTTLE CTL UNIT 8KS2
Subtask 27-94-00-810-062-I ** ON A/C NOT FOR ALL SEC 2 OR INPUT OF R THROTTLE CTL UNIT 8KS2
- replace the SEC-2 [1CE2] , AMM 27-94-34-000-001 and AMM 27-94-34-400-001.
- replace the CTL UNIT-THROTTLE, ENG 2 [8KS2] , AMM 76-11-19-000-040 and AMM 76-11-19-400-040.
- do a check and repair the
wiring of VS and SPLY signals from the SEC 2 (1CE2) to the throttle control unit (8KS2) ASM 279220.
A. If the BITE test gives the maintenance message:
SEC 2 OR INPUT OF R THROTTLE CTL UNIT 8KS2
Subtask 27-94-00-700-075-A SEC 2 OR INPUT OF R THROTTLE CTL UNIT 8KS2
- replace the SEC-2 [1CE2] , AMM 27-94-34-000-001 and AMM 27-94-34-400-001.
- replace the CTL UNIT-THROTTLE, ENG 2 [8KS2] , AMM 76-11-19-000-042 and AMM 76-11-19-400-042.
- do a check and repair the
wiring of VS and SPLY signals from the SEC 2 (1CE2) to the throttle control unit (8KS2) ASM 279220.
B. Do the operational test and the BITE test given in Para. 3.