Cleaning of EWIS Installed in the Aft Cabin Overhead-Compartment (Only IF Contaminated)(EWIS)
TASK 24-92-00-100-023-A
Cleaning of EWIS Installed in the Aft Cabin Overhead-Compartment (Only IF Contaminated)(EWIS)
1. Reason for the Job
Refer to the MPD TASK: 200263-01
CLEANING OF EWIS INSTALLED IN THE AFT CABIN OVERHEAD COMPARTMENT (ONLY IF CONTAMINATED) (EWIS)
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 24-92-00-010-127-A
Subtask 24-92-00-160-071-A
Subtask 24-92-00-410-125-A
[Rev.10 from 2021]
2026.03.31 23:27:21 UTC
Cleaning of EWIS Installed in the Aft Cabin Overhead-Compartment (Only IF Contaminated)(EWIS)
1. Reason for the Job
Refer to the MPD TASK: 200263-01
CLEANING OF EWIS INSTALLED IN THE AFT CABIN OVERHEAD COMPARTMENT (ONLY IF CONTAMINATED) (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 | 1 | ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 263 | AFT CABIN OVERHEAD COMPARTMENT |
| 264 | AFT CABIN OVERHEAD COMPARTMENT |
| 251JC, 261BC, 261CC, 262BC, 262CC |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 25-23-41-000-001-A | Removal of the Ceiling Panels |
| TASK 25-23-41-400-001-A | Installation of the Ceiling Panels |
| TASK 25-23-42-000-002-A | Removal of the Ceiling Panels - Aft Utility Area |
| TASK 25-23-42-400-002-A | Installation of the Ceiling Panels - Aft Utility Area |
| TASK 25-24-41-000-001-A | Removal of the Overhead Stowage Compartments (OHSC) |
| TASK 25-24-41-400-001-A | Installation of the Overhead Stowage Compartments (OHSC) |
| TASK 25-33-41-000-002-A | Removal of the Aft Galley Unit |
| TASK 25-33-41-400-002-A | Installation of the Aft Galley Unit |
| TASK 25-33-42-000-001-A | Removal of the Aft Galley Unit |
| TASK 25-33-42-400-001-A | Installation of the Aft Galley Unit |
| TASK 25-33-45-000-001-A | Removal of the Aft Galley Unit |
| TASK 25-33-45-400-001-A | Installation of the Aft Galley Unit |
| TASK 25-33-50-000-802-A | Removal of Galley G4B (Space-Flex V2) |
| TASK 25-33-50-400-801-A | Installation of the Aft Galley Unit |
| TASK 25-33-50-400-802-A | Installation of Galley G4B (Space-Flex V2) |
| TASK 25-43-41-000-001-A | Removal of Lavatory D |
| TASK 25-43-41-000-802-A | Removal of the Lavatory Ds |
| TASK 25-43-41-400-001-A | Installation of Lavatory D |
| TASK 25-43-41-400-802-A | Installation of the Lavatory Ds |
| TASK 25-43-42-000-001-A | Removal of Lavatory E |
| TASK 25-43-42-000-802-A | Removal of Lavatory Es |
| TASK 25-43-42-400-001-A | Installation of Lavatory E |
| TASK 25-43-42-400-802-A | Installation of Lavatory Es |
| TASK 25-43-44-000-001-A | Removal of Lavatory H |
| TASK 25-43-44-000-003-A | Removal of Lavatory H (Design Lav. M) |
| TASK 25-43-44-400-001-A | Installation of Lavatory H |
| TASK 25-43-44-400-003-A | Installation of Lavatory H (Design Lav. M) |
| TASK 25-43-49-000-802-A | Removal of Space-Flex Lavatory B/F or F/G or D/E |
| TASK 25-43-49-400-802-A | Installation of Space-Flex Lavatory B/F or F/G or D/E |
| TASK 52-10-00-010-001-A | Opening of the Passenger/Crew Door |
| TASK 52-10-00-410-001-A | Closing of the Passenger/Crew Door |
| ESPM 2055000 | |
Subtask 24-92-00-010-127-A
A. Get Access
(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the zone 832 (842).
(2) Open the passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the furnishings in the zones 261 and 262:
(a) Remove the lavatories, if installed (Ref. AMM TASK 25-43-41-000-001), (Ref. AMM TASK 25-43-41-000-802), (Ref. AMM D/O 25-43-41-00), (Ref. AMM TASK 25-43-42-000-001), (Ref. AMM TASK 25-43-42-000-802), (Ref. AMM D/O 25-43-42-00), (Ref. AMM D/O 25-43-43-00), (Ref. AMM TASK 25-43-44-000-001), (Ref. AMM TASK 25-43-44-000-003), (Ref. AMM D/O 25-43-44-00), (Ref. AMM D/O 25-43-44-00), (Ref. AMM D/O 25-43-48-00), (Ref. AMM D/O 25-43-49-00), (Ref. AMM TASK 25-43-49-000-802) and (Ref. AMM D/O 25-43-49-00).
(b) Remove the galleys and stowage, if installed (Ref. AMM D/O 25-33-41-00), (Ref. AMM TASK 25-33-41-000-002), (Ref. AMM D/O 25-33-41-00), (Ref. AMM TASK 25-33-42-000-001), (Ref. AMM D/O 25-33-43-00), (Ref. AMM D/O 25-33-43-00), (Ref. AMM TASK 25-33-45-000-001), (Ref. AMM D/O 25-33-46-00), (Ref. AMM D/O 25-33-49-00), (Ref. AMM D/O 25-33-50-00), (Ref. AMM TASK 25-33-50-000-802) and (Ref. AMM D/O 25-33-52-00).
(4) Remove the overhead stowage compartments between FR64 and FR70 (Ref. AMM TASK 25-24-41-000-001).
(5) Remove the ceiling panel in the zones 263 and 264 (Ref. AMM TASK 25-23-41-000-001):
(6) Remove the ceiling panels in the aft utility area (Ref. AMM TASK 25-23-42-000-002):
Subtask 24-92-00-862-115-A 4. Procedure(1) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the zone 832 (842).
(2) Open the passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-010-001).
(3) Remove the furnishings in the zones 261 and 262:
(a) Remove the lavatories, if installed (Ref. AMM TASK 25-43-41-000-001), (Ref. AMM TASK 25-43-41-000-802), (Ref. AMM D/O 25-43-41-00), (Ref. AMM TASK 25-43-42-000-001), (Ref. AMM TASK 25-43-42-000-802), (Ref. AMM D/O 25-43-42-00), (Ref. AMM D/O 25-43-43-00), (Ref. AMM TASK 25-43-44-000-001), (Ref. AMM TASK 25-43-44-000-003), (Ref. AMM D/O 25-43-44-00), (Ref. AMM D/O 25-43-44-00), (Ref. AMM D/O 25-43-48-00), (Ref. AMM D/O 25-43-49-00), (Ref. AMM TASK 25-43-49-000-802) and (Ref. AMM D/O 25-43-49-00).
(b) Remove the galleys and stowage, if installed (Ref. AMM D/O 25-33-41-00), (Ref. AMM TASK 25-33-41-000-002), (Ref. AMM D/O 25-33-41-00), (Ref. AMM TASK 25-33-42-000-001), (Ref. AMM D/O 25-33-43-00), (Ref. AMM D/O 25-33-43-00), (Ref. AMM TASK 25-33-45-000-001), (Ref. AMM D/O 25-33-46-00), (Ref. AMM D/O 25-33-49-00), (Ref. AMM D/O 25-33-50-00), (Ref. AMM TASK 25-33-50-000-802) and (Ref. AMM D/O 25-33-52-00).
(4) Remove the overhead stowage compartments between FR64 and FR70 (Ref. AMM TASK 25-24-41-000-001).
(5) Remove the ceiling panel in the zones 263 and 264 (Ref. AMM TASK 25-23-41-000-001):
(6) Remove the ceiling panels in the aft utility area (Ref. AMM TASK 25-23-42-000-002):
Subtask 24-92-00-160-071-A
A. Cleaning of All Wiring Installed in the Aft Cabin Overhead-Compartment (Only Contaminated Wiring)
(1) Clean the wiring if there is dust contamination ESPM 2055000.
(a) On the AC/DC feeder routes: 3G and 6G.
(b) On the AC/DC power-distribution routes: 1P, 2P and 3P.
(c) On other routes: 1M, 2M and 8M.
(d) On the audio and video route: 1R.
(e) On coaxial wiring routes : 9T and 10T.
(f) On the excitation routes: 3E and 6E.
5. Close-up(1) Clean the wiring if there is dust contamination ESPM 2055000.
(a) On the AC/DC feeder routes: 3G and 6G.
(b) On the AC/DC power-distribution routes: 1P, 2P and 3P.
(c) On other routes: 1M, 2M and 8M.
(d) On the audio and video route: 1R.
(e) On coaxial wiring routes : 9T and 10T.
(f) On the excitation routes: 3E and 6E.
Subtask 24-92-00-410-125-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the ceiling panels in the aft utility area (Ref. AMM TASK 25-23-42-400-002):
(3) Install the ceiling panel in the zones 263 and 264 (Ref. AMM TASK 25-23-41-400-001):
(4) Install the furnishings in the zones 261 and 262:
(a) Install the lavatories, if removed (Ref. AMM TASK 25-43-41-400-001), (Ref. AMM TASK 25-43-41-400-802), (Ref. AMM D/O 25-43-41-40), (Ref. AMM TASK 25-43-42-400-001), (Ref. AMM TASK 25-43-42-400-802), (Ref. AMM D/O 25-43-42-40), (Ref. AMM D/O 25-43-43-40), (Ref. AMM TASK 25-43-44-400-001), (Ref. AMM TASK 25-43-44-400-003), (Ref. AMM D/O 25-43-44-40), (Ref. AMM D/O 25-43-44-40), (Ref. AMM D/O 25-43-48-40), (Ref. AMM D/O 25-43-49-40), (Ref. AMM TASK 25-43-49-400-802) and (Ref. AMM D/O 25-43-49-40).
(b) Install the galleys and stowage, if removed (Ref. AMM D/O 25-33-41-40), (Ref. AMM TASK 25-33-41-400-002), (Ref. AMM D/O 25-33-41-40), (Ref. AMM TASK 25-33-42-400-001), (Ref. AMM D/O 25-33-43-40), (Ref. AMM D/O 25-33-43-40), (Ref. AMM TASK 25-33-45-400-001), (Ref. AMM D/O 25-33-46-40), (Ref. AMM D/O 25-33-49-40), (Ref. AMM TASK 25-33-50-400-801), (Ref. AMM TASK 25-33-50-400-802) and (Ref. AMM D/O 25-33-52-40).
(5) Install the overhead stowage compartments between FR64 and FR70 (Ref. AMM TASK 25-24-41-400-001).
(6) Close the passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-410-001).
(7) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the ceiling panels in the aft utility area (Ref. AMM TASK 25-23-42-400-002):
(3) Install the ceiling panel in the zones 263 and 264 (Ref. AMM TASK 25-23-41-400-001):
(4) Install the furnishings in the zones 261 and 262:
(a) Install the lavatories, if removed (Ref. AMM TASK 25-43-41-400-001), (Ref. AMM TASK 25-43-41-400-802), (Ref. AMM D/O 25-43-41-40), (Ref. AMM TASK 25-43-42-400-001), (Ref. AMM TASK 25-43-42-400-802), (Ref. AMM D/O 25-43-42-40), (Ref. AMM D/O 25-43-43-40), (Ref. AMM TASK 25-43-44-400-001), (Ref. AMM TASK 25-43-44-400-003), (Ref. AMM D/O 25-43-44-40), (Ref. AMM D/O 25-43-44-40), (Ref. AMM D/O 25-43-48-40), (Ref. AMM D/O 25-43-49-40), (Ref. AMM TASK 25-43-49-400-802) and (Ref. AMM D/O 25-43-49-40).
(b) Install the galleys and stowage, if removed (Ref. AMM D/O 25-33-41-40), (Ref. AMM TASK 25-33-41-400-002), (Ref. AMM D/O 25-33-41-40), (Ref. AMM TASK 25-33-42-400-001), (Ref. AMM D/O 25-33-43-40), (Ref. AMM D/O 25-33-43-40), (Ref. AMM TASK 25-33-45-400-001), (Ref. AMM D/O 25-33-46-40), (Ref. AMM D/O 25-33-49-40), (Ref. AMM TASK 25-33-50-400-801), (Ref. AMM TASK 25-33-50-400-802) and (Ref. AMM D/O 25-33-52-40).
(5) Install the overhead stowage compartments between FR64 and FR70 (Ref. AMM TASK 25-24-41-400-001).
(6) Close the passenger/crew door 832 (842) (Ref. AMM TASK 52-10-00-410-001).
(7) Remove the access platform(s).
Aft Cabin Overhead Compartment - Cleaning Area - Zones 263-264