GENERAL VISUAL INSPECTION OF VENT SURGE TANK (EWIS)

TASK 05-25-50-200-001-A
GENERAL VISUAL INSPECTION OF VENT SURGE TANK (EWIS)

ZONE: 550

1. Reason for the Job
Refer to the MPD TASK: ZL-550-01
GENERAL VISUAL INSPECTION OF VENT SURGE TANK (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	AR	ACCESS PLATFORM 3M (10 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
550	VENT SURGE TANK
550AB, 550BB, 550CB, 550DB, 650AB, 650BB, 650CB, 650DB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 57-27-11-000-002-A	Removal of the Access Panel
TASK 57-27-11-400-002-A	Installation of the Access Panel
Access Panels of the Vent Surge Tank of the Wing

3. Job Set-up
Subtask 05-25-50-010-050-A

A. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position.
(2) Remove the access panels:
550BB 550DB,
650BB 650DB,
550AB 550CB,
650AB 650CB, (Ref. AMM TASK 57-27-11-000-002).

Access Panels of the Vent Surge Tank of the Wing

4. Procedure
Subtask 05-25-50-210-050-A

A. Inspection
(1) Do a general visual inspection of the vent surge tank.
(2) Make sure that there are no signs of corrosion (this includes bonding leads), cracks or damage.
(3) Make sure that all the installations (ducting, piping, bonding leads) are attached correctly.

5. Close-up
Subtask 05-25-50-410-050-A

A. Close Access
(1) Install the access panels:
550CB 550DB,
650CB 650DB,
550AB 550BB,
650AB 650BB, (Ref. AMM TASK 57-27-11-400-002).
(2) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:50:27 UTC