DOC AIRBUS | TSM A320FFailure of the Left Throttle Control Unit
TASK 27-60-00-810-808-A
Failure of the Left Throttle Control Unit
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 27-60-00-860-135-A
Subtask 27-60-00-810-057-B ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:27:42 UTC
Failure of the Left Throttle Control Unit
1. Possible Causes
- CTL UNIT-THROTTLE, ENG 1 [8KS1]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 24-41-00-861-002 | Energize the Aircraft Electrical Circuits from the External Power |
| 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 76-11-19-400-040 | Installation of the Throttle Control Unit |
Subtask 27-60-00-860-135-A
A. Job Set-Up
(1) Energize the aircraft electrical circuits AMM 24-41-00-861-002.
(2) On the overhead panel 23VU:
Subtask 27-60-00-700-064-A 4. Fault Isolation(1) Energize the aircraft electrical circuits AMM 24-41-00-861-002.
(2) On the overhead panel 23VU:
- release the FLT CTL/SEC1 pushbutton switch (the OFF legend comes on).
- push the FLT CTL/SEC1 pushbutton switch (the OFF legend goes off).
- put the left throttle control lever in TO/GA and MAX REV position during 5 seconds.
Subtask 27-60-00-810-057-B ** ON A/C NOT FOR ALL
A. If the BITE test gives the maintenance message:
L THROTTLE CTL UNIT 8KS1
Subtask 27-60-00-700-065-A L THROTTLE CTL UNIT 8KS1
- replace the CTL UNIT-THROTTLE, ENG 1 [8KS1] , AMM 76-11-19-000-040 and AMM 76-11-19-400-040.
B. Do the BITE test given in Para. 3.