General Visual Inspection of Outboard Fixed Trailing Edge Structure from RIB 9 to RIB 27 (EWIS)

TASK 05-25-70-200-005-A
General Visual Inspection of Outboard Fixed Trailing Edge Structure from RIB 9 to RIB 27 (EWIS)

WARNING: DO NOT EXTEND THE SLATS AND FLAPS WHEN THE THRUST REVERSER COWLS ARE DEPLOYED IN THE 45 DEG. POSITION.

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.

ZONE: 575
ZONE: 675

1. Reason for the Job
Refer to the MPD TASK: ZL-575-01
GENERAL VISUAL INSPECTION OF OUTBOARD FIXED TRAILING EDGE STRUCTURE FROM RIB 9 TO RIB 27 (EWIS)

NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
575	AFT OUTBD SE OF WING AND TE FIXED STRUCT
675	AFT OUTBD SE OF WING AND TE FIXED STRUCT
575AT, 575KB, 575LB, 575MB, 675AT, 675KB, 675LB, 675MB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 27-50-00-866-008-A	Extension of the Flaps on the Ground
TASK 27-50-00-866-008-A-01	Extension of the Flaps/Slats on the Ground
TASK 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 27-60-00-866-002-A	Extension-Retraction of the Spoilers for Maintenance
TASK 57-51-37-000-005-A	Removal of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB)
TASK 57-51-37-000-007-A	Removal of the Access Panel
TASK 57-51-37-400-005-A	Installation of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB)
TASK 57-51-37-400-007-A	Installation of the Access Panel
Outboard Fixed-Trailing-Edge Structure from RIB9 to RIB27

3. Job Set-up
Subtask 05-25-70-010-054-A

A. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position.
(2) Remove the access panels
575AT and 675AT (Ref. AMM TASK 57-51-37-000-007),
575KB, 575LB, 575MB, 675KB, 675LB and 675MB (Ref. AMM TASK 57-51-37-000-005).

Subtask 05-25-70-866-054-A

B. Aircraft Maintenance Configuration
(1) Extend the spoilers (Ref. AMM TASK 27-60-00-866-002).
(2) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).

4. Procedure
Subtask 05-25-70-210-054-A

A. Inspection

Outboard Fixed-Trailing-Edge Structure from RIB9 to RIB27

(1) Do a general visual inspection of the outboard fixed-trailing-edge structure from RIB9 to RIB27 (zones 575 and 675).
(2) Make sure that there are no signs of corrosion, cracks or damage.
(3) Make sure that all the installations (wiring, ducting, piping) are attached correctly.

5. Close-up
Subtask 05-25-70-866-055-A

A. Aircraft Maintenance Configuration
(1) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).
(2) Fully retract the spoilers (Ref. AMM TASK 27-60-00-866-002).

Subtask 05-25-70-410-054-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels
575AT and 675AT (Ref. AMM TASK 57-51-37-400-007),
575KB, 575LB, 575MB, 675KB, 675LB and 675MB (Ref. AMM TASK 57-51-37-400-005).
(3) Remove the access platform(s).
(4) Remove all the fixtures, tools, test and support equipment used during this procedure.

[Rev.10 from 2021] 2026.03.31 22:50:33 UTC