Installation of the Elevator Leading Edge Access Panels 335AB (345AB), 335BB (345BB), 335CB (345CB), 335DB (345DB).

TASK 55-22-11-400-001-A
Installation of the Elevator Leading Edge Access Panels 335AB (345AB), 335BB (345BB), 335CB (345CB), 335DB (345DB).

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:

FLUSH IT AWAY WITH CLEAN WATER
GET MEDICAL AID.

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: 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: 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.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
98D27309009003	1	COLLAR-DEPTH ACTUATOR
98D27309009004	1	COLLAR-DEPTH ACTUATOR
98D27903500000	2	PIN-SIDE STICK LOCKING

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AAC1)	Polysulfide Sealant-General Purpose Interfay -
(Material No.06ABA1)	Polysulfide Sealant-Fuel Tank Brushable -
(Material No.08BBC1)	Non Aqueous Cleaner-- Naphta based and Alcohol -
(Material No.14DBB1)	Release Agent-- Liquid Wax -

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
TASK 55-13-11-000-001-A	Remove/Open of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels
TASK 55-13-11-400-001-A	Install/Close of the Trimmable Horizontal Stabilizer (THS) Trailing-Edge Access-Panels
Elevator Leading Edge-Removal/Installation

3. Job Set-up
Subtask 55-22-11-860-052-A

A. Aircraft Maintenance Configuration
(1) Make sure that the hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002), (Ref. AMM TASK 29-10-00-864-003).
(2) Make sure that the 98D27903500000 PIN-SIDE STICK LOCKING is in the CAPT and F/O side stick controllers.
(3) Make sure that the 98D27309009003 COLLAR-DEPTH ACTUATOR or 98D27309009004 COLLAR-DEPTH ACTUATOR is installed on the servocontrol elevators.
(4) Make sure that the warning notices are in the flight compartment to tell persons not to operate the flight controls.
(5) Make sure that the warning notices are in position to tell persons not to operate the hydraulic systems.
(6) Make sure that the access platforms are in position at zone 330 and/or zone 340.
(7) Make sure that the THS trailing edge access panels have been removed as necessary (Ref. AMM TASK 55-13-11-000-001).

4. Procedure
Subtask 55-22-11-914-050-A ** ON A/C NOT FOR ALL

A. Sealing
(1) Apply Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) along the mating surfaces of the leading edge access panels.
(2) Apply Release Agent-- Liquid Wax - (Material No.14DBB1) along the mating surfaces at the elevator.

Subtask 55-22-11-914-050-B ** ON A/C NOT FOR ALL

A. Sealing
(1) Apply Polysulfide Sealant-Fuel Tank Brushable - (Material No.06ABA1) along the mating surfaces of the leading-edge access panels.
(2) Apply the Release Agent-- Liquid Wax - (Material No.14DBB1) along the mating surfaces of the leading-edge acces panels (1) and (4) at the elevator.

Subtask 55-22-11-410-051-A

B. Visual Inspection
(1) Make sure that the work area is clean and clear of tools and other items.

Subtask 55-22-11-420-050-A

C. Install Access Panels
(1) Put the leading-edge access panels (1), (2), (3) and (4) in position.
(2) Install the screws (5).

Subtask 55-22-11-110-051-A

D. Cleaning
(1) Clean the gaps around the leading-edge access panels with Non Aqueous Cleaner-- Naphta based and Alcohol - (Material No.08BBC1) .

Subtask 55-22-11-914-051-A ** ON A/C NOT FOR ALL

E. Sealing
(1) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) to the gap along the mating surfaces of the leading-edge access panels (1), (2), (3) and (4).

Subtask 55-22-11-914-051-B ** ON A/C NOT FOR ALL

E. Sealing
(1) Apply Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) along the mating surfaces of the leading-edge access panels (1) and (4).

5. Close-up
Subtask 55-22-11-410-050-A

A. Close Access
(1) If removed, install THS trailing edge access panels (Ref. AMM TASK 55-13-11-400-001)

Subtask 55-22-11-081-050-A

B. Remove Locking Devices
(1) Remove the 98D27903500000 PIN-SIDE STICK LOCKING from the CAPT and F/O side stick controllers.

CAUTION: MAKE SURE THAT YOU REMOVE THE "COLLAR-ELEVATOR SERVO CONTROL SAFETY" BEFORE YOU PRESSURIZE THE ELEVATOR SERVO CONTROL. IF YOU DO NOT REMOVE THE COLLAR, YOU CAN CAUSE DAMAGE TO THE ELEVATOR SERVO CONTROL.

(2) Remove the 98D27309009003 COLLAR-DEPTH ACTUATOR or 98D27309009004 COLLAR-DEPTH ACTUATOR from the servocontrol elevators.

Subtask 55-22-11-942-051-A

C. Remove Ground Equipment
(1) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

Subtask 55-22-11-865-051-A

D. Remove the safety clip(s) and the tag(s) and close 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
49VU	FLIGHT CONTROLS/SEC1/NORM/SPLY	21CE1	B08
** 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
** 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	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

[Rev.10 from 2021] 2026.04.01 02:05:31 UTC