Installation of the Access Panel 326CT at the Rudder Attach Fitting No. 7

TASK 55-42-13-400-001-A
Installation of the Access Panel 326CT at the Rudder Attach Fitting No. 7

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

ZONE: 326

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE
No specific	1	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AAC1)	Polysulfide Sealant-General Purpose Interfay -
(Material No.06AEB2)	Polysulfide Sealant-Low Adhesion Fillet Structure
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14DBB1)	Release Agent-- Liquid Wax -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
326	RUDDER

D. Referenced Information

REFERENCE	DESIGNATION
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
Access Panel 326CT at the Rudder Attach Fitting No. 7

3. Job Set-up
Subtask 55-42-13-860-054-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration
(Ref. AMM TASK 29-00-00-864-001).
(2) Make sure that the WARNING NOTICE(S) are position to tell persons not to pressurize the hydraulic systems:

In the cockpit on the hydraulic section 40VU of the overhead panel,
On the ground service panels of the hydraulic systems.

(3) Make sure that the WARNING NOTICE(S) are in position in the cockpit to tell persons not to operate the flight controls.
(4) Make sure that the ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE is in position at the leading edge of the rudder.

Subtask 55-42-13-865-051-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C NOT FOR ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18

4. Procedure
Subtask 55-42-13-210-050-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Examine the anchor nuts on the access panel (3) for good condition.
(3) Do an inspection of the component interfaces and the adjacent area.
(4) Clean the component interface and/or the adjacent area, with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(5) Apply the Release Agent-- Liquid Wax - (Material No.14DBB1) to the mating surface of the access panel (3) as necessary.
(6) Apply the Polysulfide Sealant-General Purpose Interfay - (Material No.06AAC1) on the mating surfaces of the rudder leading edge (1) as necessary.

Subtask 55-42-13-420-050-A ** ON A/C NOT FOR ALL

B. Installation of the Access Panel 326CT at the Rudder Attach Fitting No. 7
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the access panel (3) in position at the rudder leading edge (1) and install the screws (2).
(3) Apply the Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) into the joints between the access panel (3) and the rudder leading edge (1).

5. Close-up
Subtask 55-42-13-865-052-A ** ON A/C NOT FOR ALL

A. 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	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C NOT FOR ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18

Subtask 55-42-13-860-055-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(4) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:06:26 UTC