Removal of the Rudder Support Strut
TASK 55-36-48-000-001-A
Removal of the Rudder Support Strut
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 55-36-48-865-050-A
Subtask 55-36-48-020-050-A
[Rev.10 from 2021]
2026.04.01 02:06:13 UTC
Removal of the Rudder Support Strut
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING:
MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
ZONE: 325
1. Reason for the Job- To inspect and/or to replace the rudder bearing No. 6,
- To remove/install the rudder,
- To remove/install the rudder hinge arm fitting No. 6.
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE |
| No specific | 1 | CRANE 200KG (440 LB) |
| No specific | 1 | DYNAMOMETER 200 DAN (449 LBF)-PULL |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | WARNING NOTICE(S) |
| 98A55308440000 | 1 | SLING-UNIVERSAL,TAIL PLANE |
| 98D27207508000 | 1 | FIXTURE - VERT. STABILIZER RUDDER |
| SL90-315-3750 | 1 | WRENCH - NOTCHED, TIGHTENING OF NUTS NSA5454 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 325 | VERTICAL STABILIZER TRAILING EDGE |
| 325DL, 325EL, 325ER | |
| 325FR, 325GR | |
| 325DR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-22-00-000-001-A | Removal of STA-LOK Nuts and Lockwashers |
| TASK 29-00-00-864-001-A | Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action |
| TASK 55-33-13-010-002-A | Opening/Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer |
Subtask 55-36-48-865-050-A
A. Open, safety and tag this(these) circuit breaker(s):
Subtask 55-36-48-864-050-A Subtask 55-36-48-010-050-B ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| 49VU | FLIGHT CONTROLS/SEC1/NORM/SPLY | 21CE1 | B08 |
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | B03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| 49VU | FLIGHT CONTROLS/SEC1/NORM/SPLY | 21CE1 | B03 |
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | H10 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | H09 |
| ** ON A/C ALL | |||
| 105VU | FLIGHT CONTROLS/ELAC2/STBY SPLY | 16CE2 | A02 |
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 105VU | FLT CTL/SEC1/STBY SPLY | 22CE | B01 |
| 121VU | AUTO FLT/RUDDER/TRIM/IND | 15CC | M20 |
| 121VU | AUTO FLT/FAC2/28VDC | 5CC2 | M19 |
| 121VU | AUTO FLT/FAC2/26VAC | 14CC2 | M18 |
| 121VU | FLIGHT CONTROLS/SEC3/SPLY | 21CE3 | Q19 |
| 121VU | FLIGHT CONTROLS/SEC2/SPLY | 21CE2 | Q18 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
| 121VU | FLIGHT CONTROLS/ELAC2/NORM/SPLY | 15CE2 | R20 |
C. Get Access
(1) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flight controls.
(2) Put the ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE in position.
(3) Open the access panel 325DL (Ref. AMM TASK 55-33-13-010-002).
(4) Remove the access panels 325EL 325ER 325DR (Ref. AMM TASK 55-33-13-010-002).
Subtask 55-36-48-010-050-C ** ON A/C NOT FOR ALL (1) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flight controls.
(2) Put the ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE in position.
(3) Open the access panel 325DL (Ref. AMM TASK 55-33-13-010-002).
(4) Remove the access panels 325EL 325ER 325DR (Ref. AMM TASK 55-33-13-010-002).
C. Get Access
(1) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flight controls.
(2) Put the ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE in position.
(3) Open access panel 325DL (Ref. AMM TASK 55-33-13-010-002).
(4) Remove access panels 325EL, 325ER, 325FR and 325GR (Ref. AMM TASK 55-33-13-010-002).
4. Procedure(1) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the flight controls.
(2) Put the ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE in position.
(3) Open access panel 325DL (Ref. AMM TASK 55-33-13-010-002).
(4) Remove access panels 325EL, 325ER, 325FR and 325GR (Ref. AMM TASK 55-33-13-010-002).
Subtask 55-36-48-020-050-A
A. Remove the Rudder Support Strut
(1) Install the 98D27207508000 FIXTURE - VERT. STABILIZER RUDDER.
(2) If the 98D27207508000 FIXTURE - VERT. STABILIZER RUDDER is unserviceable, do as follows:
(a) Use the 98A55308440000 SLING-UNIVERSAL,TAIL PLANE with the CRANE 200KG (440 LB) to hold the rudder at its hoist points to compensate its weight.
(3) Remove and discard the cotter pin (2).
(4) Remove the lockwashers (5) and remove the nuts (4) with a SL90-315-3750 WRENCH - NOTCHED, TIGHTENING OF NUTS NSA5454 (Ref. AMM TASK 20-22-00-000-001).
(5) Remove the washers (3), the bolts (1) and the rudder support strut (9).
(1) Install the 98D27207508000 FIXTURE - VERT. STABILIZER RUDDER.
(2) If the 98D27207508000 FIXTURE - VERT. STABILIZER RUDDER is unserviceable, do as follows:
(a) Use the 98A55308440000 SLING-UNIVERSAL,TAIL PLANE with the CRANE 200KG (440 LB) to hold the rudder at its hoist points to compensate its weight.
NOTE: The weight of the rudder is approximately 95 kg (209.4391 lb).
(b) Use the DYNAMOMETER 200 DAN (449 LBF)-PULL between the CRANE 200KG (440 LB) and the rudder to make sure that there is no tension in the z-strut area before you disconnect the z-strut. (3) Remove and discard the cotter pin (2).
(4) Remove the lockwashers (5) and remove the nuts (4) with a SL90-315-3750 WRENCH - NOTCHED, TIGHTENING OF NUTS NSA5454 (Ref. AMM TASK 20-22-00-000-001).
(5) Remove the washers (3), the bolts (1) and the rudder support strut (9).
Rudder Support Strut