Removal of the Elevator Hinge-Arm End-Fittings
TASK 55-16-42-000-001-A
Removal of the Elevator Hinge-Arm End-Fittings
To inspect or to replace the hinge arm fittings
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 55-16-42-860-050-A
Subtask 55-16-42-020-051-B
[Rev.10 from 2021]
2026.04.01 02:05:13 UTC
Removal of the Elevator Hinge-Arm End-Fittings
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.
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.
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:
YOU MUST PUT ON AND ATTACH A SAFETY HARNESS BEFORE YOU START WORK:
- ON THE THS OR IN THE REAR FUSELAGE
- ON TOP OF THE WINGS OR PYLONS.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
CAUTION:
DO NOT CAUSE DAMAGE TO THE SURFACES. THE COMPONENTS ARE MADE OF CARBONFIBER REINFORCED PLASTIC.
1. Reason for the JobTo inspect or to replace the hinge arm fittings
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| 98D27903500000 | 2 | PIN-SIDE STICK LOCKING |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 334BB, 334DB, 334FB, 334HB, 335AB, 335BB, 335CB, 335DB, 344BB, 344DB, 344FB, 344HB, 345AB, 345BB, 345CB, 345DB |
| REFERENCE | DESIGNATION |
|---|---|
| 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 55-13-11-000-001-A | Remove/Open of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels |
| TASK 55-16-48-000-001-A | Removal of the Elevator Support Struts |
| TASK 55-22-11-000-001-A | Removal of the Elevator Leading Edge Access Panels 335AB (345AB), 335BB (345BB), 335CB (345CB), 335DB (345DB). |
Subtask 55-16-42-860-050-A
A. Depressurize Hydraulic Systems
(1) Depressurize the Green, Yellow and Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002) (Ref. AMM TASK 29-10-00-864-003).
Subtask 55-16-42-865-051-A (1) Depressurize the Green, Yellow and Blue hydraulic systems (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002) (Ref. AMM TASK 29-10-00-864-003).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 55-16-42-481-050-A | 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 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| ** ON A/C ALL | |||
| 105VU | FLIGHT CONTROLS/ELAC2/STBY SPLY | 16CE2 | A02 |
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 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. Install Locking Devices
(1) Put the 98D27903500000 PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.
Subtask 55-16-42-941-050-A (1) Put the 98D27903500000 PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.
D. Safety Precautions
(1) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the flight controls.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the hydraulic systems.
(3) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 334 for the left hand elevator hinge arm fittings and/or zone 344 for the right hand elevator hinge arm fittings.
Subtask 55-16-42-010-050-A (1) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the flight controls.
(2) Put the WARNING NOTICE(S) in position to tell persons not to operate the hydraulic systems.
(3) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 334 for the left hand elevator hinge arm fittings and/or zone 344 for the right hand elevator hinge arm fittings.
E. Get Access
(1) Open the THS Trailing Edge Access Panels 334BB ( 344BB), 334DB ( 344DB), 334FB ( 344FB), 334HB ( 344HB), as necessary (Ref. AMM TASK 55-13-11-000-001).
(2) Remove the Elevator Leading Edge Access Panels 335AB ( 345AB), 335BB ( 345BB), 335CB ( 345CB), 335DB ( 345DB), as necessary (Ref. AMM TASK 55-22-11-000-001).
4. Procedure(1) Open the THS Trailing Edge Access Panels 334BB ( 344BB), 334DB ( 344DB), 334FB ( 344FB), 334HB ( 344HB), as necessary (Ref. AMM TASK 55-13-11-000-001).
(2) Remove the Elevator Leading Edge Access Panels 335AB ( 345AB), 335BB ( 345BB), 335CB ( 345CB), 335DB ( 345DB), as necessary (Ref. AMM TASK 55-22-11-000-001).
| Hinge Arm Fitting Number | THS Panel(s) | Elevator Panel(s) |
|---|---|---|
| 1 | 334BB (344BB) | 335AB (345AB) |
| 2 | 334DB (344DB) | 335BB (345BB) |
| 3 | 334DB (344DB) | 335BB (345BB) |
| 4 | 334DB (344DB) | 335BB (345BB) |
| 5 | 334FB (344FB) | 335CB (345CB) |
| 6 | 334HB (344HB) | 335DB (345DB) |
Subtask 55-16-42-020-051-B
A. Removal of Hinge-Arm End Fittings 1, 2, 3, 5 and 6
(1) Disconnect the hinge-arm end fitting (9) from the applicable attachment fitting (1).
(a) Remove and discard the cotter pin (12).
(b) Remove the nut (11).
(c) Remove and discard the cotter pin (2).
(d) Remove the bolt (4) and the bushes (3) from the hinge support.
(2) Remove and discard the cotter pin (10).
(3) Remove the nuts (7), the washers (8) and the bolts (5).
(4) Record the position of the bolts (5).
Subtask 55-16-42-020-055-B (1) Disconnect the hinge-arm end fitting (9) from the applicable attachment fitting (1).
(a) Remove and discard the cotter pin (12).
(b) Remove the nut (11).
(c) Remove and discard the cotter pin (2).
(d) Remove the bolt (4) and the bushes (3) from the hinge support.
(2) Remove and discard the cotter pin (10).
(3) Remove the nuts (7), the washers (8) and the bolts (5).
(4) Record the position of the bolts (5).
NOTE: The bolts (5) have different lengths and some of them attach a bonding strap.
(5) Remove the hinge-arm end fitting (9) from the hinge arm (6). B. Removal of Hinge-Arm End Fitting No. 4
(1) Disconnect the elevator support strut (18) (Ref. AMM TASK 55-16-48-000-001).
(2) Disconnect the hinge-arm end fitting (23) from the attachment fitting (16).
(a) Remove the sleeve (17).
(b) Remove and discard the cotter pin (15).
(c) Remove the bolt (13) and the bush (14) from the hinge support.
(3) Remove and discard the cotter pin (24).
(4) Remove the nuts (21), the washers (22) and the bolts (19).
(5) Record the position of the bolts (19).
(1) Disconnect the elevator support strut (18) (Ref. AMM TASK 55-16-48-000-001).
(2) Disconnect the hinge-arm end fitting (23) from the attachment fitting (16).
(a) Remove the sleeve (17).
(b) Remove and discard the cotter pin (15).
(c) Remove the bolt (13) and the bush (14) from the hinge support.
(3) Remove and discard the cotter pin (24).
(4) Remove the nuts (21), the washers (22) and the bolts (19).
(5) Record the position of the bolts (19).
NOTE: The bolts (19) have different lengths and some of them attach a bonding strap.
(6) Remove the hinge-arm end fitting (23) from the hinge arm (20).
Elevator Hinge Arm End Fittings