DOC AIRBUS | AMM A320FGENERAL VISUAL INSPECTION OF AFT CABIN UNDERFLOOR COMPARTMENT (EWIS)
TASK 05-21-70-200-002-A
GENERAL VISUAL INSPECTION OF AFT CABIN UNDERFLOOR COMPARTMENT (EWIS)
1. Reason for the Job
Refer to the MPD TASK: ZL-171-02
GENERAL VISUAL INSPECTION OF AFT CABIN UNDERFLOOR COMPARTMENT (EWIS)
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 05-21-70-010-051-A
Subtask 05-21-70-210-051-A
Subtask 05-21-70-410-051-A
[Rev.10 from 2021]
2026.03.31 22:49:00 UTC
GENERAL VISUAL INSPECTION OF AFT CABIN UNDERFLOOR COMPARTMENT (EWIS)
1. Reason for the Job
Refer to the MPD TASK: ZL-171-02
GENERAL VISUAL INSPECTION OF AFT CABIN UNDERFLOOR COMPARTMENT (EWIS)
NOTE: This is an EWIS (Electrical Wiring Interconnection System) procedure. EWIS is defined in ESPM 20-33-11.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 2M (6 FT) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 171 | AFT CABIN U/FLOOR COMPARTMENT |
| 172 | AFT CABIN U/FLOOR COMPARTMENT |
| 171AL, 172AR, 826 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-55-12-000-001-A | Removal of the Aft Cargo-Compartment Partition at FR65 |
| TASK 25-55-12-400-001-A | Installation of the Aft Cargo-Compartment Partition at FR65 |
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-30-00-860-002-A | Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
Inspection Area of the Aft Cabin Underfloor CompartmentSubtask 05-21-70-010-051-A
A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position at the zones 171 and 172.
(2) Open the access doors 171AL and 172AR.
(3) Open the aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(4) Remove the partition panels at FR65 (Ref. AMM TASK 25-55-12-000-001).
(5) Lift the insulation blankets sufficiently to do the inspection.
4. Procedure(1) Put an ACCESS PLATFORM 2M (6 FT) in position at the zones 171 and 172.
(2) Open the access doors 171AL and 172AR.
(3) Open the aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(4) Remove the partition panels at FR65 (Ref. AMM TASK 25-55-12-000-001).
(5) Lift the insulation blankets sufficiently to do the inspection.
Subtask 05-21-70-210-051-A
A. Inspection
(1) Do a general visual inspection of the aft-cabin underfloor compartment (Zones 171 and 172).
(2) Make sure that there are no signs of corrosions, cracks or damages.
(3) Make sure that all the installations (wiring, ducting, piping) are attached correctly.
5. Close-up(1) Do a general visual inspection of the aft-cabin underfloor compartment (Zones 171 and 172).
(2) Make sure that there are no signs of corrosions, cracks or damages.
(3) Make sure that all the installations (wiring, ducting, piping) are attached correctly.
Subtask 05-21-70-410-051-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the insulation blankets back in position.
(3) Install the partition panels at FR65 (Ref. AMM TASK 25-55-12-400-001).
(4) Close the aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(5) Close the access doors 171AL and 172AR.
(6) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the insulation blankets back in position.
(3) Install the partition panels at FR65 (Ref. AMM TASK 25-55-12-400-001).
(4) Close the aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(5) Close the access doors 171AL and 172AR.
(6) Remove the access platform(s).