General Visual Inspection of Wing Upper Surface including Slats, Flaps and Spoilers (EWIS)

TASK 05-25-00-200-003-A
General Visual Inspection of Wing Upper Surface including Slats, Flaps and Spoilers (EWIS)

ZONE: 500
ZONE: 600

1. Reason for the Job
Refer to the MPD TASK: ZL-500-03
GENERAL VISUAL INSPECTION OF WING UPPER SURFACE INCLUDING SLATS, FLAPS AND SPOILERS (EWIS)

NOTE: This is an alternative method for the general visual inspection of the wing upper surface including the slats, flaps and spoilers.
For the other method, refer to the relevant task in this page block.

NOTE: This task can contribute to fuel savings.

NOTE: This is an Electrical Wiring Interconnection System (EWIS) 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	AR	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
500	LEFT WING
600	RIGHT WING

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 27-80-00-866-004-A	Extending the Slats on the Ground
TASK 27-80-00-866-005-A	Retracting the Slats on the Ground
Inspection of the Wing Upper Surface including the Slats, Flaps and Spoilers ** ON A/C NOT FOR ALL
Inspection of the Wing Upper Surface including the Slats, Flaps and Spoilers ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 05-25-00-866-052-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration

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

(1) Extend the spoilers (Ref. AMM TASK 27-60-00-866-002).
(2) Fully extend the flaps and the slats (Ref. AMM TASK 27-50-00-866-008) (Ref. AMM TASK 27-80-00-866-004)

Subtask 05-25-00-866-052-B ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration

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

(1) Extend the spoilers (Ref. AMM TASK 27-60-00-866-002).
(2) Fully extend the flaps and the slats (Ref. AMM TASK 27-50-00-866-008) (Ref. AMM TASK 27-80-00-866-004)

Subtask 05-25-00-941-050-A

B. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at zone 500 and 600.

4. Procedure
Subtask 05-25-00-210-052-A

A. Inspection

Inspection of the Wing Upper Surface including the Slats, Flaps and Spoilers ** ON A/C NOT FOR ALL

(1) Do a general visual inspection of the wing upper surface (zones 500 and 600).
(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 05-25-00-942-050-A

A. Close Access
(1) Remove the access platform(s).

Subtask 05-25-00-866-053-A

B. Aircraft Maintenance Configuration
(1) Retract the spoilers (Ref. AMM TASK 27-60-00-866-002).
(2) Retract the flaps and the slats (Ref. AMM TASK 27-50-00-866-009), (Ref. AMM TASK 27-80-00-866-005).

[Rev.10 from 2021] 2026.03.31 22:50:07 UTC