GENERAL VISUAL INSPECTION OF TAIL CONE APU EXHAUST AREA (EWIS)

TASK 05-23-10-200-004-A
GENERAL VISUAL INSPECTION OF TAIL CONE APU EXHAUST AREA (EWIS)

ZONE: 317

1. Reason for the Job
Refer to the MPD TASK: ZL-317-01
GENERAL VISUAL INSPECTION OF TAIL CONE APU EXHAUST AREA (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 5M (16 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
317	TAIL CONE APU AND ACCESSORY COMPARTMENT
317AL

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-41-18-000-001-A	Removal of the APU Exhaust Access-Fairing
TASK 52-41-18-400-001-A	Installation of the APU Exhaust Access-Fairing

3. Job Set-up
Subtask 05-23-10-010-053-A

A. Get Access
(1) Put an ACCESS PLATFORM 5M (16 FT) in position at the zone 310.
(2) Remove the access fairing 317AL.
(Ref. AMM TASK 52-41-18-000-001)

4. Procedure
Subtask 05-23-10-210-053-A

A. Inspection
(1) Do a general visual inspection of the Auxiliary Power Unit (APU) exhaust area on the tail cone.
(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 05-23-10-410-053-A

A. Close Access
(1) Install the access fairing 317AL.
(Ref. AMM TASK 52-41-18-400-001)
(2) Remove the access platform(s).

[Rev.10 from 2021] 2026.03.31 22:49:30 UTC