General Visual Inspection of Vertical Stabilizer Trailing Edge (EWIS)

TASK 05-23-20-200-005-A
General Visual Inspection of Vertical Stabilizer Trailing Edge (EWIS)

ZONE: 325

1. Reason for the Job
Refer to the MPD TASK: ZL-325-01
GENERAL VISUAL INSPECTION OF VERTICAL STABILIZER TRAILING EDGE (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 12M (40 FT) - ADJUSTABLE

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
325	VERTICAL STABILIZER TRAILING EDGE
325BL, 325CL, 325DL, 325EL

C. Referenced Information

REFERENCE	DESIGNATION
TASK 55-33-13-010-002-A	Opening/Removal of the Trailing Edge Access-Panels of the Vertical Stabilizer
TASK 55-33-13-410-002-A	Closing/Installation of the Trailing Edge Access-Panels of the Vertical Stabilizer
Vertical-Stabilizer Trailing-Edge Area

3. Job Set-up
Subtask 05-23-20-010-054-B

A. Get Access
(1) Put the ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE in position at zone 320.
(2) Open the access panels 325BL, 325CL, 325DL and 325EL
(Ref. AMM TASK 55-33-13-010-002).

4. Procedure
Subtask 05-23-20-210-054-A

A. Inspection

Vertical-Stabilizer Trailing-Edge Area

(1) Do a general visual inspection of the trailing edge of the vertical stabilizer (zone 325).
(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 05-23-20-410-054-B

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access panels 325BL, 325CL, 325DL and 325EL
(Ref. AMM TASK 55-33-13-410-002).
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:49:36 UTC