Removal of the Rudder Pedal Force Transducer
TASK 27-92-27-000-001-A
Removal of the Rudder Pedal Force Transducer
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 27-92-27-010-050-A ** ON A/C NOT FOR ALL
Subtask 27-92-27-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:58:47 UTC
Removal of the Rudder Pedal Force Transducer
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| 98A27901002000 | 1 | PIN-RIGGING,RUDDER CONTROL |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 121 | AVIONICS COMPARTMENT |
| 211GF, 811 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 29-10-00-863-003-A | Pressurize the Blue Hydraulic System with a Hydraulic Ground Power-Cart |
| TASK 29-10-00-863-003-A-01 | Pressurize the Blue Hydraulic System with the Blue Electric Pump |
| TASK 29-10-00-864-001-A | Depressurize the Green Hydraulic System |
| TASK 29-10-00-864-002-A | Depressurize the Yellow Hydraulic System |
| TASK 29-10-00-864-003-A | Depressurize the Blue Hydraulic System |
| TASK 53-12-11-000-001-A | Removal of the Cockpit Floor Panels from FR1 thru FR12 |
Subtask 27-92-27-010-050-A ** ON A/C NOT FOR ALL
A. Get Access
(1) Remove the panel 211GF at zone 211 (Ref. AMM TASK 53-12-11-000-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 121.
(3) Open the access door 811.
Subtask 27-92-27-860-051-A ** ON A/C NOT FOR ALL (1) Remove the panel 211GF at zone 211 (Ref. AMM TASK 53-12-11-000-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 121.
(3) Open the access door 811.
B. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)
(2) Pressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-863-003).
(3) On the overhead panel, on the FLT CTL panel 23VU, make sure that the FLT CTL/FAC1 pushbutton switch is pushed (on this pushbutton switch, the OFF and FAULT legends are off).
(4) On the overhead panel, on the FLT CTL panel 24VU, make sure that the FLT CTL/FAC2 pushbutton switch is pushed (on this pushbutton switch, the OFF and FAULT legends are off).
(5) On the center pedestal, on the panel 110VU, make sure that the RUD TRIM indicator shows 0.
(6) In zone 121, install the 98A27901002000 PIN-RIGGING,RUDDER CONTROL (1) on the CAPT yaw/brake bellcrank.
(7) Depressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-864-003).
(8) Make sure that the Yellow and Green hydraulic systems are depressurized. (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002)
(9) Put a WARNING NOTICE(S) on the CAPT and F/O pedals to tell persons not to use the rudder.
(10) Put a WARNING NOTICE(S) on the panel 110VU to tell persons not to use the rudder trim.
(11) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(12) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 27-92-27-865-050-A ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)
(2) Pressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-863-003).
(3) On the overhead panel, on the FLT CTL panel 23VU, make sure that the FLT CTL/FAC1 pushbutton switch is pushed (on this pushbutton switch, the OFF and FAULT legends are off).
(4) On the overhead panel, on the FLT CTL panel 24VU, make sure that the FLT CTL/FAC2 pushbutton switch is pushed (on this pushbutton switch, the OFF and FAULT legends are off).
(5) On the center pedestal, on the panel 110VU, make sure that the RUD TRIM indicator shows 0.
(6) In zone 121, install the 98A27901002000 PIN-RIGGING,RUDDER CONTROL (1) on the CAPT yaw/brake bellcrank.
(7) Depressurize the Blue hydraulic system (Ref. AMM TASK 29-10-00-864-003).
(8) Make sure that the Yellow and Green hydraulic systems are depressurized. (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002)
(9) Put a WARNING NOTICE(S) on the CAPT and F/O pedals to tell persons not to use the rudder.
(10) Put a WARNING NOTICE(S) on the panel 110VU to tell persons not to use the rudder trim.
(11) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(12) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
C. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/FCDC1/SPLY | 20CE1 | B10 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/FCDC1/SPLY | 20CE1 | B05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | RUDDER FTU | 75CE | R16 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FLIGHT CONTROLS/FCDC2/SPLY | 20CE2 | Q20 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | RUDDER FTU | 75CE | R19 |
Subtask 27-92-27-020-050-A ** ON A/C NOT FOR ALL
A. Removal
(1) Disconnect the electrical connector (8) from the FTU (2).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove and discard the cotter pins (7).
(4) Remove the nuts (6) and the washers (5) and the bolts (4).
(5) Remove the FTU (2) between the tension regulator (3) and the CAPT yaw/brake bellcrank (9).
(1) Disconnect the electrical connector (8) from the FTU (2).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove and discard the cotter pins (7).
(4) Remove the nuts (6) and the washers (5) and the bolts (4).
(5) Remove the FTU (2) between the tension regulator (3) and the CAPT yaw/brake bellcrank (9).
Rudder Pedal Force Transducer Unit (FTU)