General Visual Inspection of Dorsal Fin (EWIS)

TASK 05-23-20-200-001-A
General Visual Inspection of Dorsal Fin (EWIS)

ZONE: 321

1. Reason for the Job
Refer to the MPD TASK: ZL-321-01
GENERAL VISUAL INSPECTION OF DORSAL FIN (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 6M (20 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
321	DORSAL FIN
321AL

C. Referenced Information

REFERENCE	DESIGNATION
TASK 53-45-11-000-001-A	Removal of the Dorsal Fin
TASK 53-45-11-400-001-A	Installation of the Dorsal Fin
Dorsal Fin Area

3. Job Set-up
Subtask 05-23-20-010-050-A

A. Get Access
(1) Put the ACCESS PLATFORM 6M (20 FT) in position at the zone 320.
(2) Remove the access panel 321AL
(Ref. AMM TASK 53-45-11-000-001).

4. Procedure
Subtask 05-23-20-210-050-A

A. Inspection

Dorsal Fin Area

(1) Do a general visual inspection of the dorsal fin (zone 321).
(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 05-23-20-410-050-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel 321AL
(Ref. AMM TASK 53-45-11-400-001).
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:49:32 UTC