DOC AIRBUS | AMM A320FRemoval of the T12 Temperature Sensor [CFMI]
TASK 73-21-40-000-040-A
Removal of the T12 Temperature Sensor
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 73-21-40-941-055-A ** ON A/C NOT FOR ALL
Subtask 73-21-40-020-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:56:06 UTC
Removal of the T12 Temperature Sensor
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE |
| No specific | 1 | MAT - PROTECTIVE |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
T12 SensorSubtask 73-21-40-941-055-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
(4) Put the ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.
(5) Install MAT - PROTECTIVE in the lower half of the inlet cowl.
Subtask 73-21-40-010-052-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
(4) Put the ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.
(5) Install MAT - PROTECTIVE in the lower half of the inlet cowl.
B. Get Access
(1) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Put the ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.
4. Procedure(1) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Put the ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.
Subtask 73-21-40-020-051-A ** ON A/C NOT FOR ALL
A. Removal of the T12 Temperature Sensor
(1) Disconnect the two electrical connectors from the T12 sensor.
(2) Remove the nut and washer which attach the bonding strip to the T12 sensor and remove bonding strip.
(3) Remove and retain the 4 bolts and washers which attach the T12 sensor.
(4) Carefully remove the T12 sensor from the support bracket.
(5) Put blanking caps on the electrical connectors.
(6) Install blanking plugs on the sensor housing.
(1) Disconnect the two electrical connectors from the T12 sensor.
(2) Remove the nut and washer which attach the bonding strip to the T12 sensor and remove bonding strip.
(3) Remove and retain the 4 bolts and washers which attach the T12 sensor.
(4) Carefully remove the T12 sensor from the support bracket.
(5) Put blanking caps on the electrical connectors.
(6) Install blanking plugs on the sensor housing.