Installation of the Access Panel

TASK 57-51-37-400-007-A
Installation of the Access Panel

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

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.

CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:

DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.

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

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.28 and 0.23 m.daN (24.78 and 20.35 lbf.in )
No specific	Torque wrench: range to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )
No specific	Torque wrench: range to between 0.45 and 0.4 m.daN (39.82 and 35.40 lbf.in )
98D27803500001	1	LOCKING TOOL ZERO POS
98D27903500000	2	PIN-SIDE STICK LOCKING

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05EML7)	Epoxy Adhesive-- - Legacy 3
(Material No.05EML8)	Epoxy Adhesive-- - Legacy 2
(Material No.06AAB1)	Polysulfide Sealant-General Purpose Fillet -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.13FBC6)	Paste Adhesive-Epoxy Core Restoration -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Referenced Information

REFERENCE	DESIGNATION
Upper Trailing Edge Access Panel 575AT(675AT) ** ON A/C NOT FOR ALL
Upper Trailing Edge Access Panel 575AT(675AT) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 57-51-37-941-060-A

A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
(2) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS is installed on the flap/slat control lever.
(3) Make sure that the WARNING NOTICE(S) are in position to tell persons not to operate the flaps or slats.
(4) Make sure that the 98D27903500000 PIN-SIDE STICK LOCKING are installed on the CAPT and F/O side sticks.
(5) Make sure that the WARNING NOTICE(S) are in position on the CAPT and F/O side sticks. This is to tell persons not to operate the ailerons.

Subtask 57-51-37-860-054-A

B. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the applicable zone 575(675).

Subtask 57-51-37-865-059-A

C. 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	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B11
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
** ON A/C ALL
105VU	FLIGHT CONTROLS/ELAC2/STBY SPLY	16CE2	A02
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

4. Procedure
Subtask 57-51-37-420-058-A

A. Preparation for Installation
(1) Clean the component interfaces and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.

Subtask 57-51-37-420-059-B ** ON A/C NOT FOR ALL

B. Installation of the Access Panel 575AT(675AT)
(1) Install all panel inserts that have fallen out in the applicable holes with:

Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) or Epoxy Adhesive-- - Legacy 2 (Material No.05EML8) or Paste Adhesive-Epoxy Core Restoration - (Material No.13FBC6) .

(2) Put the access panel (1) in position.
(3) Install the bolts (2) but do not tighten. Make sure that you can move the access panel (1) sufficient to adjust its position.
(4) Set the access panel (1) so that:

the dimension W is 2.0 mm (0.0787 in.) + 2.3 mm (0.0906 in.)/- 1.5 mm (0.0591 in.) along the full length of the panel
the dimension X is 2.0 mm (0.0787 in.) +/- 0.5 mm (0.0197 in.) along the full width of the panel inboard end
the dimension Y is 4.0 mm (0.1575 in.) + 2.0 mm (0.0787 in.)/- 1.0 mm (0.0394 in.) along the full width of the panel outboard end
the dimension Z is 0.0 mm (0.0000 in.) + 0.5 mm (0.0197 in.) along the full length of the panel seal.

(5) TORQUE tighten the bolts (2) to between 0.45 and 0.4 m.daN (39.82 and 35.40 lbf.in )

.
(6) Fill the clearance between the access panel (1) edges and the wing skin with Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) .

Subtask 57-51-37-420-059-C ** ON A/C NOT FOR ALL

B. Installation of the Access Panel 575AT(675AT)
(1) Install all panel inserts that have fallen out in the applicable holes with:

Epoxy Adhesive-- - Legacy 3 (Material No.05EML7) or Epoxy Adhesive-- - Legacy 2 (Material No.05EML8) or Paste Adhesive-Epoxy Core Restoration - (Material No.13FBC6) .

(2) Put the access panel (1) in position.
(3) Install the bolts (2) and (3) but do not tighten. Make sure that you can move the access panel (1) sufficient to adjust its position.
(4) Set the access panel (1) so that:

the dimension W is 2.0 mm (0.0787 in.) + 2.3 mm (0.0906 in.)/- 1.5 mm (0.0591 in.) along the full length of the panel
the dimension X is 2.0 mm (0.0787 in.) +/- 0.5 mm (0.0197 in.) along the full width of the panel inboard end
the dimension Y is 4.0 mm (0.1575 in.) + 2.0 mm (0.0787 in.)/- 1.0 mm (0.0394 in.) along the full width of the panel outboard end
the dimension Z is 0.0 mm (0.0000 in.) + 0.5 mm (0.0197 in.) along the full length of the panel seal.

(5) TORQUE the bolts (2) to between 0.28 and 0.23 m.daN (24.78 and 20.35 lbf.in )

.
(6) TORQUE the bolts (3) to between 0.48 and 0.37 m.daN (42.48 and 32.74 lbf.in )

.
(7) Fill the clearance between the access panel (1) edges and the wing skin with Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) .

Subtask 57-51-37-865-060-A

C. 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
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
** ON A/C ALL
105VU	FLIGHT CONTROLS/ELAC2/STBY SPLY	16CE2	A02
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/ELAC2/NORM/SPLY	15CE2	R20

5. Close-up
Subtask 57-51-37-942-057-A

A. Removal of Equipment
(1) Remove the 98D27903500000 PIN-SIDE STICK LOCKING from the CAPT and F/O side sticks.
(2) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Remove the access platform(s).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(6) Remove the WARNING NOTICE(S).
(7) Remove the safety barriers.

[Rev.10 from 2021] 2026.04.01 03:54:36 UTC