Remove/Open of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels

TASK 55-13-11-000-001-A
Remove/Open of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels

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.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

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.

WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.

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.

ZONE: 334
ZONE: 344

1. Reason for the Job
To get access to the elevator servo-control units.
To remove/install the elevator.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 3M (10 FT)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27903500000	2	PIN-SIDE STICK LOCKING

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
334	THS TRAILING EDGE
344	THS TRAILING EDGE

C. Referenced Information

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
THS Trailing Edge

3. Job Set-up
Subtask 55-13-11-860-050-A

A. Depressurize Hydraulic Systems
(1) Make sure that the Green, Blue and Yellow hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002) and (Ref. AMM TASK 29-10-00-864-003).

Subtask 55-13-11-865-050-A

B. Open, safety and tag this(these) circuit breaker(s):

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
122VU	LIGHTING/LOGO/L	2LY	V03
122VU	LIGHTING/LOGO/R	1LY	V02

Subtask 55-13-11-481-050-A

C. Install Locking Devices
(1) Put the 98D27903500000 PIN-SIDE STICK LOCKING in the CAPT and F/O side stick controllers.

Subtask 55-13-11-941-050-A

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 3M (10 FT) in position at zone 334 for the left hand trailing edge access panels and/or zone 344 for the right hand trailing edge access panels.

4. Procedure
Subtask 55-13-11-020-050-D

A. Remove/Open the access Panels
(1) Remove the lower trailing-edge hinged access panels.

NOTE: The removal of the access panel 334FB is given. The removal of all other access panels is the same.

CAUTION: IF THE AIRCRAFT HAS A CONCESSION(S) RELATED TO THE INSTALLATION OF ADDITIONAL BUSHINGS ON THE THS TRAILING-EDGE LOWER-SKIN-FLANGE, YOU CAN FIND BUSHINGS INSTALLED IN SOME SCREW POSITIONS:

MAKE SURE THAT THE BUSHINGS ARE IN POSITION AND DO NOT REMOVE THEM.
IF ONE OR MORE BUSHINGS ARE LOOSE OR MISSING, CONTACT AIRBUS.

IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE AIRCRAFT CAN OCCUR.

(a) Remove the screws (2) and open access panel (6).
(b) Remove the screws (7), (8) and (9), the nuts (10) and the washers (11).
(c) Remove the access panel (6).

NOTE: To remove access panel 334DB(LH) and/or 344DB(RH) you must remove the nut (22), the washer (23) and the bolt (26) which hold the bonding lead (25) to the bracket (24) at two positions.

(2) Removal of the lower trailing-edge access panels.

NOTE: The removal of the panel 334EB is given. The removal of all other trailing-edge panels is the same.

CAUTION: IF THE AIRCRAFT HAS A CONCESSION(S) RELATED TO THE INSTALLATION OF ADDITIONAL BUSHINGS ON THE THS TRAILING-EDGE LOWER-SKIN-FLANGE, YOU CAN FIND BUSHINGS INSTALLED IN SOME SCREW POSITIONS:

MAKE SURE THAT THE BUSHINGS ARE IN POSITION AND DO NOT REMOVE THEM.
IF ONE OR MORE BUSHINGS ARE LOOSE OR MISSING, CONTACT AIRBUS.

IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE AIRCRAFT CAN OCCUR.

(a) Remove the screws (1) and (2).
(b) Remove the panel (5).
(3) Removal of the upper trailing-edge access panels.

NOTE: The removal of the panel 334CT is given. The removal of all other upper trailing-edge access panels is the same. For the removal of the panels 334CT(LH) and/or 344CT(RH) you must first open the lower panels 334FB (LH) and/or 344FB (RH).

(a) Remove the screws (1), (2) and (3), the nuts (10) and the washers (11).
(b) Remove the panel (4).

NOTE: To remove access panel 334BT(LH) and/or 344BT(RH) you must open the lower panels 334DB(LH) and/or 344DB(RH) first, then remove the nut (22), the washer (23) and the bolt (26) which hold the bonding lead (25) to the bracket (24) at two positions.

[Rev.10 from 2021] 2026.04.01 03:50:26 UTC