Installation of Access Door 314AR

TASK 52-41-23-400-001-A
Installation of Access Door 314AR

WARNING: DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).

ZONE: 310

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 5M (16 FT)- ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 3 and 2.7 m.N (26.55 and 23.89 lbf.in )

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
310	FUSLG TAIL SECTION AFT OF AFT PRESS BHD
314AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 20-28-00-912-802-A	Electrical Bonding - General Maintenance Procedure
TASK 20-28-00-912-803-A	Bonding Surface Preparation
TASK 51-75-13-916-001-A	Repair to a layer of Moisture-Removing Oil
Access Door 314AR ** ON A/C NOT FOR ALL
Access Door 314AR ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 52-41-23-860-051-A

A. Aircraft Maintenance Configuration
(1) Make sure that the WARNING NOTICE(S) is(are) in position in the flight compartment to tell persons not to start the APU.
(2) Make sure that the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE is in position below access door 314AR.

4. Procedure
Subtask 52-41-23-420-052-A

A. Installation of Access Door 314AR
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) If necessary, repair the protection layer of the inner surface of the access door (5) (Ref. AMM TASK 51-75-13-916-001).
(3) Put the access door (5), the seal (4) and the retainer (3) in position on the fuselage hinge (12).
(4) Hold the access door (5) and install the washers (2) and the screws (1).
(5) Tighten the screws (1).
(6) Prepare the surface of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-803).
(7) Connect the bonding strap (9) to the bonding angle (8) and install the bolt (11), the washer (10) and the nut (7).
(8) Tighten the nut (7).
(9) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
(10) Close the access door (5).
(11) TORQUE the studs (6) to between 3 and 2.7 m.N (26.55 and 23.89 lbf.in )

5. Close-up
Subtask 52-41-23-410-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:28:16 UTC