Operational Test of the Interspace Overboard Drain System
TASK 28-11-00-790-010-A
Operational Test of the Interspace Overboard Drain System
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 28-11-00-941-091-A ** ON A/C NOT FOR ALL
Subtask 28-11-00-790-077-B ** ON A/C NOT FOR ALL
Subtask 28-11-00-080-059-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:17:01 UTC
Operational Test of the Interspace Overboard Drain System
WARNING:
OBEY THE FUEL SAFETY PROCEDURES.
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 2 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | CAP - BLANKING |
| No specific | AR | COVER - BLANKING |
| No specific | AR | GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX |
| No specific | 6 | PLUG - BLANKING |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 130 | FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX |
| 140 | CENTER WING |
| 150 | AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT |
| 160 | BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT |
| 190 | BELLY FAIR, AIR CONDITIONING & HYD COMPT |
| 131EC, 151AC, 151AY, 241AF, 241CF, 241EF, 825, 826 | |
| 154CR |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-11-28-650-003-A | Pressure Refuel with Automatic Control |
| TASK 25-28-41-000-001-A | Removal of the Textile Floor Covering |
| TASK 25-28-41-400-001-A | Installation of the Textile Floor Covering |
| TASK 28-00-00-910-001-A | Fuel Safety Procedures |
| TASK 28-11-27-000-002-A | Removal of Additional Center Tank No.1 (ACT AFT1) |
| TASK 28-11-27-000-003-A | Removal of the Additional Center Tank No.2 (ACT AFT2) |
| TASK 28-11-27-400-002-A | Installation of Additional Center Tank No.1 (ACT AFT1) |
| TASK 28-11-27-400-003-A | Installation of the Additional Center Tank No.2 (ACT AFT2) |
| TASK 28-25-00-650-001-A | Pressure Defuel |
| TASK 28-25-00-650-005-A | To Drain the Remaining Fuel from the Additional Center Tank (ACT) |
| TASK 28-25-00-869-001-A | Fuel Transfer |
| TASK 32-00-00-481-001-A | Installation of the Safety Devices on the Landing Gears |
| 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 |
| TASK 53-00-00-000-801-A-01 | Removal of the Floor Panels in the Cabin from FR12 to FR70 (Alternative Removal Procedure - Dry Sealing Concept) |
| TASK 53-00-00-400-801-A-01 | Installation of the Floor Panels in the Cabin from FR12 to FR70 (Alternative Installation Procedure - Dry Sealing Concept) |
| TASK 53-22-14-000-001-A | Removal of the Forward Cargo-Compartment Floor-Panels |
| TASK 53-22-14-400-001-A | Installation of the Forward Cargo-Compartment Floor-Panels |
| TASK 53-22-14-400-001-A-01 | Installation of the Forward Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option) |
| TASK 53-42-14-000-001-A | Removal of the Aft Cargo-Compartment Floor-Panels Zone 150 |
| TASK 53-42-14-400-001-A | Installation of the Aft Cargo-Compartment Floor-Panels Zone 150 |
| TASK 53-42-14-400-001-A-01 | Installation of the Aft Cargo-Compartment Floor-Panels (Alternative Installation Procedure with the Skyflex Option) |
Subtask 28-11-00-941-091-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Make sure that the ground safety locks are installed on the landing gears (Ref. AMM TASK 32-00-00-481-001).
(4) Put the WARNING NOTICE(S) in position on panels to tell person not to operate the refuel/defuel system:
Subtask 28-11-00-650-118-A ** ON A/C NOT FOR ALL Subtask 28-11-00-650-131-A ** ON A/C NOT FOR ALL Subtask 28-11-00-650-133-A ** ON A/C NOT FOR ALL (1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Make sure that the ground safety locks are installed on the landing gears (Ref. AMM TASK 32-00-00-481-001).
(4) Put the WARNING NOTICE(S) in position on panels to tell person not to operate the refuel/defuel system:
- Refuel/defuel control-panels 800VU and 801VU
- Fuel control-panel 40VU
- Additional Center Tank (ACT) fuel-control-panel 28VU.
D. Fuel Configuration with ACT1 and ACT2 Installed
(1) Defuel the ACT1 and the ACT2 (Ref. AMM TASK 28-25-00-650-001).
Subtask 28-11-00-650-135-A ** ON A/C NOT FOR ALL (1) Defuel the ACT1 and the ACT2 (Ref. AMM TASK 28-25-00-650-001).
E. Fuel Configuration
(1) Defuel the ACT(s) (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the ACT(s) (Ref. AMM TASK 28-25-00-650-005).
Subtask 28-11-00-865-118-A ** ON A/C NOT FOR ALL (1) Defuel the ACT(s) (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the ACT(s) (Ref. AMM TASK 28-25-00-650-005).
F. Open, safety and tag this(these) circuit breaker(s):
Subtask 28-11-00-010-082-B ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | ACT1/REFUEL & SPLY | 33QU | L29 |
| 121VU | FUEL/HI/LVL/SPLY | 1QJ | L25 |
| 121VU | ACT XFR VALVE MAN CTL | 30QH | N29 |
| 121VU | ACT1/CTL & SPLY | 9QH | P29 |
| 121VU | ACT PUMP SUPPLY | 25QH | Q29 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/ACT AIR SOV/MAN/SPLY | 64QH | J20 |
| 121VU | FUEL/ACT AIR SOV/AUTO/SPLY | 63QH | J19 |
| 121VU | FUEL/ACT XFR VLV/MOT2 | 66QH | J18 |
| 121VU | FUEL/ACT XFR VLV/MOT1 | 65QH | J17 |
| 121VU | FUEL/INLET VLV MOT2 AUTO SP AFT 2 | 44QH2 | K16 |
| 121VU | FUEL/INLET VLV MOT2 AUTO SP AFT 1 | 44QH1 | K15 |
| 121VU | FUEL/INLET VLV/MOT1/AFT 2 | 84QH | L29 |
| 121VU | FUEL/INLET VLV/MOT1/MAN SPLY/AFT 1 | 46QH | L28 |
| 121VU | FUEL/HI/LVL/SPLY | 1QJ | L24 |
| 121VU | FUEL/ACT VENT VLV/MAN/SPLY | 62QH | L21 |
| 121VU | FUEL/ACT VENT VLV/AUTO/SPLY | 61QH | L20 |
| 121VU | FUEL/INLET VLV MAN CTL SPLY AFT 2 | 81QH | L16 |
| 121VU | FUEL/INLET VLV MAN CTL SPLY AFT 1 | 45QH | L15 |
| 121VU | FUEL/ACT/FUEL PUMP/SPLY | 25QH | Q29 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ACT2/REFUEL & SPLY | 34QU | L28 |
| 121VU | ACT2/CTL & SPLY | 10QH | P28 |
G. Get Access (Forward ACT Test Connections)
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below forward cargo-compartment-door 825.
(2) Open forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(3) Set CARGO COMPT LIGHT switch 6LU to the ON position.
(4) Remove the ACT4.1 (if installed) (Ref. AMM D/O 28-11-27-00).
(5) Get access to the cavity drain connection:
(a) Remove cargo floor panel 131EC (Ref. AMM TASK 53-22-14-000-001).
(6) Remove sufficient carpet from the passenger compartment floor to get access to cabin floor panels 241AF and 241CF (Ref. AMM TASK 25-28-41-000-001).
(7) Remove cabin floor panels 241AF and 241CF (Ref. AMM TASK 53-00-00-000-801).
Subtask 28-11-00-010-083-D ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below forward cargo-compartment-door 825.
(2) Open forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(3) Set CARGO COMPT LIGHT switch 6LU to the ON position.
(4) Remove the ACT4.1 (if installed) (Ref. AMM D/O 28-11-27-00).
(5) Get access to the cavity drain connection:
(a) Remove cargo floor panel 131EC (Ref. AMM TASK 53-22-14-000-001).
(6) Remove sufficient carpet from the passenger compartment floor to get access to cabin floor panels 241AF and 241CF (Ref. AMM TASK 25-28-41-000-001).
(7) Remove cabin floor panels 241AF and 241CF (Ref. AMM TASK 53-00-00-000-801).
H. Get Access (Aft ACT Group Test Connections)
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below aft cargo-compartment door 826.
(2) Open aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(3) Set CARGO COMPT LIGHT switch 8LU to the ON position.
(4) If installed, remove ACT1 and ACT2 (Ref. AMM TASK 28-11-27-000-003) and (Ref. AMM TASK 28-11-27-000-002).
(5) Get access to the cavity drain connections:
(a) Remove cargo floor panels 151AY and 151AC (Ref. AMM TASK 53-42-14-000-001).
(6) Remove sufficient carpet from the passenger compartment floor to get access to cabin floor panel 241EF (Ref. AMM TASK 25-28-41-000-001).
(7) Remove cabin floor panel 241EF (Ref. AMM TASK 53-00-00-000-801).
Subtask 28-11-00-010-085-A ** ON A/C NOT FOR ALL (1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below aft cargo-compartment door 826.
(2) Open aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(3) Set CARGO COMPT LIGHT switch 8LU to the ON position.
(4) If installed, remove ACT1 and ACT2 (Ref. AMM TASK 28-11-27-000-003) and (Ref. AMM TASK 28-11-27-000-002).
(5) Get access to the cavity drain connections:
(a) Remove cargo floor panels 151AY and 151AC (Ref. AMM TASK 53-42-14-000-001).
(6) Remove sufficient carpet from the passenger compartment floor to get access to cabin floor panel 241EF (Ref. AMM TASK 25-28-41-000-001).
(7) Remove cabin floor panel 241EF (Ref. AMM TASK 53-00-00-000-801).
I. Get Access with ACT1 installed
(1) Remove sufficient carpet from the passenger compartment floor to get access to panel 241EF (Ref. AMM TASK 25-28-41-000-001).
(2) Remove the access panel 241EF.
(3) At FR47/5, remove the access panel 154CR.
Subtask 28-11-00-010-085-B ** ON A/C NOT FOR ALL (1) Remove sufficient carpet from the passenger compartment floor to get access to panel 241EF (Ref. AMM TASK 25-28-41-000-001).
(2) Remove the access panel 241EF.
(3) At FR47/5, remove the access panel 154CR.
I. Get Access with ACT1 and ACT2 Installed
(1) Remove sufficient carpet from the passenger compartment floor to get access to panel 241EF (Ref. AMM TASK 25-28-41-000-001).
(2) Remove the access panel 241EF.
(3) At FR47/5, remove the access panel 154CR.
(4) At FR50, remove the access panel 153CR.
Subtask 28-11-00-480-059-B ** ON A/C NOT FOR ALL (1) Remove sufficient carpet from the passenger compartment floor to get access to panel 241EF (Ref. AMM TASK 25-28-41-000-001).
(2) Remove the access panel 241EF.
(3) At FR47/5, remove the access panel 154CR.
(4) At FR50, remove the access panel 153CR.
J. Preparation for Test on the Forward ACT Drain-Lines
(1) At FR36:
(a) Loosen the union (1) and disconnect the drain pipe (2) from the transfer-pipe shroud.
(b) Loosen the union (4) and disconnect the drain pipe (3) from the vent-pipe shroud.
(2) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (1) of the transfer shroud drain-pipe (2).
(3) Set the pressure on the Ground Pressure Generator (GPG) to 20 mbar (0.29 psi).
(4) At FR35.4:
(a) Make sure that the cavity drain flexible hose (11) is disconnected from the cavity drain-pipe (10).
(b) Install PLUG - BLANKING in the cavity drain-pipe (10).
Subtask 28-11-00-480-060-B ** ON A/C NOT FOR ALL (1) At FR36:
(a) Loosen the union (1) and disconnect the drain pipe (2) from the transfer-pipe shroud.
(b) Loosen the union (4) and disconnect the drain pipe (3) from the vent-pipe shroud.
(2) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (1) of the transfer shroud drain-pipe (2).
(3) Set the pressure on the Ground Pressure Generator (GPG) to 20 mbar (0.29 psi).
(4) At FR35.4:
(a) Make sure that the cavity drain flexible hose (11) is disconnected from the cavity drain-pipe (10).
(b) Install PLUG - BLANKING in the cavity drain-pipe (10).
K. Preparation for Test on the Aft ACT Group Drain-Lines
(1) Between FR41 and FR42:
(a) Disconnect the ACT transfer shroud-drain-pipe (9), the drain-pipe (5) and the ACT vent shroud-drain-pipe (8) from the tee-joint (7).
(b) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (6) of the drain-pipe (5).
(c) Set the pressure on the GPG to 20 mbar (0.29 psi).
(2) At FR47.5 and FR50:
(a) Make sure that the cavity drain flexible-hoses (11) are disconnected from the cavity drain-pipes (10)
(b) Install PLUG - BLANKING in the cavity drain-pipes (10).
Subtask 28-11-00-480-062-A ** ON A/C NOT FOR ALL (1) Between FR41 and FR42:
(a) Disconnect the ACT transfer shroud-drain-pipe (9), the drain-pipe (5) and the ACT vent shroud-drain-pipe (8) from the tee-joint (7).
(b) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (6) of the drain-pipe (5).
(c) Set the pressure on the GPG to 20 mbar (0.29 psi).
(2) At FR47.5 and FR50:
(a) Make sure that the cavity drain flexible-hoses (11) are disconnected from the cavity drain-pipes (10)
(b) Install PLUG - BLANKING in the cavity drain-pipes (10).
L. Preparation for Test (ACT1 Installed)
(1) At FR41/FR42, disconnect the ACT transfer shroud drain pipe (1), the drain line (2) and the ACT vent shroud drain pipe (5) from the tee-piece (4).
(2) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (3) of the drain line (2).
(3) Set the pressure on the GPG to 20 mb (0.29 psi).
(4) At FR47/5:
Subtask 28-11-00-480-062-B ** ON A/C NOT FOR ALL (1) At FR41/FR42, disconnect the ACT transfer shroud drain pipe (1), the drain line (2) and the ACT vent shroud drain pipe (5) from the tee-piece (4).
(2) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (3) of the drain line (2).
(3) Set the pressure on the GPG to 20 mb (0.29 psi).
(4) At FR47/5:
- disconnect the cavity drain flexible pipe (6) from the cavity drain line (7)
- install a CAP - BLANKING on the cavity drain line (7).
L. Preparation for Test (ACT1 and ACT2 Installed)
(1) At FR41/FR42, disconnect the ACT transfer shroud drain pipe (1), the drain line (2) and the ACT vent shroud drain pipe (5) from the tee-piece (4).
(2) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (3) of the drain line (2).
(3) Set the pressure on the GPG to 20 mb (0.29 psi).
(4) At FR47/5 and FR50:
4. Procedure(1) At FR41/FR42, disconnect the ACT transfer shroud drain pipe (1), the drain line (2) and the ACT vent shroud drain pipe (5) from the tee-piece (4).
(2) Connect the GROUND PRESSURE GENERATOR - 0,55 PSI (0,0379 BAR) MAX to the union (3) of the drain line (2).
(3) Set the pressure on the GPG to 20 mb (0.29 psi).
(4) At FR47/5 and FR50:
- disconnect the cavity drain flexible pipes (6) from the cavity drain lines (7)
- install COVER - BLANKING on the cavity drain lines (7).
Subtask 28-11-00-790-077-B ** ON A/C NOT FOR ALL
A. Test of the Forward ACT Drain-Lines
Subtask 28-11-00-790-078-B ** ON A/C NOT FOR ALL | ACTION | RESULT |
|---|---|
1.On the GPG:
| On the vent shroud drain-pipe (3):
|
2.On the GPG:
| |
3.On the vent shroud drain-pipe (3):
| |
4.On the GPG:
| On the drain mast between FR46 and FR47:
|
5.On leak monitor 253QM at FR35.6:
| On leak monitor 253QM at FR35.6:
|
6.On leak monitor 253QM at FR35.6:
| On leak monitor 253QM at FR35.6:
|
7.On the GPG:
| |
8.On the cavity drain at FR35.4:
| |
9.On the GPG:
| On the cavity drain at FR35.4:
|
10.On the GPG:
| |
11.On the cavity drain at FR35.4:
| |
12.On the drain-pipe (2):
| |
B. Test of the Aft ACT-Group Drain-Lines
Subtask 28-11-00-790-083-A ** ON A/C NOT FOR ALL | ACTION | RESULT |
|---|---|
1.On the GPG:
| On the tee-joint (7) between FR41 and FR42:
|
| | On the drain mast between FR46 and FR47:
|
2.On leak monitor 255QM at FR47.1:
| On leak monitor 255QM at FR 47.1:
|
3.On leak monitor 255QM at FR 47.1:
| On leak monitor 255QM at FR 47.1:
|
4.On the GPG:
| |
5.On the tee-joint (7) between FR41 and FR42:
| |
6.On the cavity drain at FR50:
| |
7.On the cavity drain at FR47.5:
| |
8.On the GPG:
| On the cavity drain at FR47.5:
|
9.On the GPG:
| |
10.On the cavity drain at FR47.5:
| |
11.On the GPG:
| On the drain mast between FR46 and FR47:
|
12.On leak monitor 254QM at FR47.1:
| On the leak monitor 254QM at FR47.1:
|
13.On leak monitor 254QM at FR47.1:
| On leak monitor 254QM at FR47.1:
|
14.On the GPG:
| |
C. Drain Line Test (ACT1 Installed)
Subtask 28-11-00-790-083-B ** ON A/C NOT FOR ALL | ACTION | RESULT |
|---|---|
| 1.On the GPG: | On the tee-piece (4) at FR41/FR42: |
|
|
| | On the drain mast between FR46 and FR47: |
| |
|
| 2.On the leak monitor 184QM at FR47/3: | On the leak monitor 184QM: |
|
|
| 3.On the leak monitor 184QM: | On the leak monitor 184QM: |
|
|
| 4.On the GPG: | |
| |
| 5.On the tee-piece (4) at FR41/FR42: | |
| |
| 6.At the cavity drain at FR47/5: | |
| |
| 7.On the GPG: | On the drain mast between FR46 and FR47: |
|
|
| 8.On the leak monitor 185QM at FR47/3: | On the leak monitor 185QM: |
|
|
| 9.On the leak monitor 185QM: | On the leak monitor 185QM: |
|
|
| 10.On the GPG: | |
| |
C. Drain Line Test with ACT1 and ACT2 Installed
5. Close-up| ACTION | RESULT |
|---|---|
| 1.On the GPG: | |
| On the tee-piece (4) at FR41/FR42: |
| |
|
| | On the drain mast between FR46 and FR47: |
| |
|
| 2.On the leak monitor 184QM at FR47/3: | On the leak monitor 184QM: |
|
|
| 3.On the leak monitor 184QM: | On the leak monitor 184QM: |
|
|
| 4.On the GPG: | |
| |
| 5.On the tee-piece (4) at FR41/FR42: | |
| |
| 6.At the cavity drain at FR50: | |
| |
| 7.At the cavity drain at FR47/5: | |
| |
| 8.On the GPG: | At the cavity drain at FR47/5: |
|
|
| 9.On the GPG: | |
| |
| 10.At the cavity drain at FR47/5: | |
| |
| 11.On the GPG: | On the drain mast between FR46 and FR47: |
|
|
| 12.On the leak monitor 185QM at FR47/3: | On the leak monitor 185QM: |
|
|
| 13.On the leak monitor 185QM: | On the leak monitor 185QM: |
|
|
| 14.On the GPG: | |
| |
| 15.At the cavity drain at FR47/5: | |
| |
Subtask 28-11-00-080-059-B ** ON A/C NOT FOR ALL
A. Removal of the Test Equipment
(1) For the forward ACT:
(a) Remove the PLUG - BLANKING from the union (1) and connect it to the transfer pipe shroud.
(b) Remove the PLUG - BLANKING from the union (4) and connect it to the vent pipe shroud.
(2) For the aft ACT group:
(a) On the cavity drain at FR50:
1 Disconnect the GPG from the cavity drain-pipe (10).
2 Install the PLUG - BLANKING in the cavity drain-pipe (10).
Subtask 28-11-00-080-062-A ** ON A/C NOT FOR ALL (1) For the forward ACT:
(a) Remove the PLUG - BLANKING from the union (1) and connect it to the transfer pipe shroud.
(b) Remove the PLUG - BLANKING from the union (4) and connect it to the vent pipe shroud.
(2) For the aft ACT group:
(a) On the cavity drain at FR50:
1 Disconnect the GPG from the cavity drain-pipe (10).
2 Install the PLUG - BLANKING in the cavity drain-pipe (10).
B. Removal of Test Equipment (ACT1 Installed)
(1) At the cavity drain at FR47/5:
Subtask 28-11-00-080-062-B ** ON A/C NOT FOR ALL (1) At the cavity drain at FR47/5:
- disconnect the GPG from the cavity drain line (7)
- connect the flexible pipe (6) to the cavity drain line (7).
B. Removal of Test Equipment (ACT1 and ACT2 Installed)
(1) At the cavity drain at FR50:
Subtask 28-11-00-410-081-B ** ON A/C NOT FOR ALL (1) At the cavity drain at FR50:
- disconnect the GPG from the cavity drain line (7)
- connect the flexible pipe (6) to the cavity drain line (7).
C. Close Access (Forward ACT Test Connections)
(1) Close access to the cavity drain connection:
(a) Install cargo floor panel 131EC (Ref. AMM TASK 53-22-14-400-001).
(2) If applicable, install the ACT4.1 (Ref. AMM D/O 28-11-27-40).
(3) Set CARGO COMPT LIGHT switch 6LU to the OFF position.
(4) Close forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
(5) Remove the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE from below forward cargo-compartment-door 825.
(6) Install cabin floor panels 241AF and 241CF (Ref. AMM TASK 53-00-00-400-801).
(7) Install carpet on passenger compartment floor panels 241AF and 241CF (Ref. AMM TASK 25-28-41-400-001).
Subtask 28-11-00-410-083-A ** ON A/C NOT FOR ALL (1) Close access to the cavity drain connection:
(a) Install cargo floor panel 131EC (Ref. AMM TASK 53-22-14-400-001).
(2) If applicable, install the ACT4.1 (Ref. AMM D/O 28-11-27-40).
(3) Set CARGO COMPT LIGHT switch 6LU to the OFF position.
(4) Close forward cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-002).
(5) Remove the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE from below forward cargo-compartment-door 825.
(6) Install cabin floor panels 241AF and 241CF (Ref. AMM TASK 53-00-00-400-801).
(7) Install carpet on passenger compartment floor panels 241AF and 241CF (Ref. AMM TASK 25-28-41-400-001).
D. Close Access with ACT1 installed
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel 241EF.
(3) Put the removed carpet back in position on the passenger compartment floor (Ref. AMM TASK 25-28-41-400-001).
(4) Install the access panel 154CR.
Subtask 28-11-00-410-083-B ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel 241EF.
(3) Put the removed carpet back in position on the passenger compartment floor (Ref. AMM TASK 25-28-41-400-001).
(4) Install the access panel 154CR.
D. Close Access with ACT1 and ACT2 Installed
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel 241EF.
(3) Put the removed carpet back in position on the passenger compartment floor (Ref. AMM TASK 25-28-41-400-001).
(4) Install the access panel 154CR.
(5) Install the access panel 153CR.
Subtask 28-11-00-410-083-D ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel 241EF.
(3) Put the removed carpet back in position on the passenger compartment floor (Ref. AMM TASK 25-28-41-400-001).
(4) Install the access panel 154CR.
(5) Install the access panel 153CR.
D. Close Access (Aft ACT Group Test Connections)
(1) Close access to the cavity drain connections:
(a) Install cargo floor panels 151AY and 151AC (Ref. AMM TASK 53-42-14-400-001).
(2) If applicable, install ACT1 (Ref. AMM TASK 28-11-27-400-002)
(3) If applicable, install ACT2 (Ref. AMM TASK 28-11-27-400-003).
(4) Set CARGO COMPT LIGHT switch 8LU to the OFF position.
(5) Close aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(6) Remove ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE from below aft cargo-compartment-door 826.
(7) Install cabin floor panel 241EF (Ref. AMM TASK 53-00-00-400-801).
(8) Install carpet on cabin floor panel 241EF (Ref. AMM TASK 25-28-41-400-001).
Subtask 28-11-00-865-119-A ** ON A/C NOT FOR ALL (1) Close access to the cavity drain connections:
(a) Install cargo floor panels 151AY and 151AC (Ref. AMM TASK 53-42-14-400-001).
(2) If applicable, install ACT1 (Ref. AMM TASK 28-11-27-400-002)
(3) If applicable, install ACT2 (Ref. AMM TASK 28-11-27-400-003).
(4) Set CARGO COMPT LIGHT switch 8LU to the OFF position.
(5) Close aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-002).
(6) Remove ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE from below aft cargo-compartment-door 826.
(7) Install cabin floor panel 241EF (Ref. AMM TASK 53-00-00-400-801).
(8) Install carpet on cabin floor panel 241EF (Ref. AMM TASK 25-28-41-400-001).
E. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 28-11-00-860-079-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | ACT1/REFUEL & SPLY | 33QU | L29 |
| 121VU | FUEL/HI/LVL/SPLY | 1QJ | L25 |
| 121VU | ACT XFR VALVE MAN CTL | 30QH | N29 |
| 121VU | ACT1/CTL & SPLY | 9QH | P29 |
| 121VU | ACT PUMP SUPPLY | 25QH | Q29 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/ACT AIR SOV/MAN/SPLY | 64QH | J20 |
| 121VU | FUEL/ACT AIR SOV/AUTO/SPLY | 63QH | J19 |
| 121VU | FUEL/ACT XFR VLV/MOT2 | 66QH | J18 |
| 121VU | FUEL/ACT XFR VLV/MOT1 | 65QH | J17 |
| 121VU | FUEL/INLET VLV MOT2 AUTO SP AFT 2 | 44QH2 | K16 |
| 121VU | FUEL/INLET VLV MOT2 AUTO SP AFT 1 | 44QH1 | K15 |
| 121VU | FUEL/INLET VLV/MOT1/AFT 2 | 84QH | L29 |
| 121VU | FUEL/INLET VLV/MOT1/MAN SPLY/AFT 1 | 46QH | L28 |
| 121VU | FUEL/HI/LVL/SPLY | 1QJ | L24 |
| 121VU | FUEL/ACT VENT VLV/MAN/SPLY | 62QH | L21 |
| 121VU | FUEL/ACT VENT VLV/AUTO/SPLY | 61QH | L20 |
| 121VU | FUEL/INLET VLV MAN CTL SPLY AFT 2 | 81QH | L16 |
| 121VU | FUEL/INLET VLV MAN CTL SPLY AFT 1 | 45QH | L15 |
| 121VU | FUEL/ACT/FUEL PUMP/SPLY | 25QH | Q29 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ACT2/REFUEL & SPLY | 34QU | L28 |
| 121VU | ACT2/CTL & SPLY | 10QH | P28 |
F. Aircraft Configuration
(1) Refuel, defuel or transfer fuel as necessary (Ref. AMM TASK 28-25-00-869-001) (Ref. AMM TASK 12-11-28-650-003) (Ref. AMM TASK 28-25-00-650-001).
Subtask 28-11-00-942-097-A ** ON A/C NOT FOR ALL (1) Refuel, defuel or transfer fuel as necessary (Ref. AMM TASK 28-25-00-869-001) (Ref. AMM TASK 12-11-28-650-003) (Ref. AMM TASK 28-25-00-650-001).
G. Removal of the Equipment
(1) If installed, remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) If installed, remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Drain Line - Test Connections