DOC AIRBUS | AMM A320FGeneral Check of the Power Plant Fuel Drain Tubes [IAE]
TASK 71-71-48-200-010-A
General Check of the Power Plant Fuel Drain Tubes
This task gives the procedure for a general check of the power plant fuel drain tubes without component removal.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 71-71-48-941-050-A ** ON A/C NOT FOR ALL
Subtask 71-71-48-210-050-A ** ON A/C NOT FOR ALL
Subtask 71-71-48-410-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:31:02 UTC
General Check of the Power Plant Fuel Drain Tubes
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobThis task gives the procedure for a general check of the power plant fuel drain tubes without component removal.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | LIGHT SOURCE - INSPECTION |
| No specific | AR | MIRROR - INSPECTION |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.V01-002) | cleaning fluid |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 71-13-00-410-010-A | Closing of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 78-30-00-040-012-A | Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance |
| TASK 78-30-00-440-012-A | Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance |
| TASK 78-32-00-010-010-A | Opening of the Thrust Reverser Halves |
| TASK 78-32-00-410-010-A | Closing of the Thrust Reverser Halves |
Power Plant Fuel Drain TubesSubtask 71-71-48-941-050-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 71-71-48-010-050-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
Subtask 71-71-48-040-050-A ** ON A/C NOT FOR ALL (1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
C. Deactivate the thrust reverser.
Subtask 71-71-48-010-051-A ** ON A/C NOT FOR ALL WARNING:
MAKE SURE THAT THE THRUST REVERSER HYDRAULIC CONTROL UNIT (HCU) IS DEACTIVATED BEFORE YOU DO WORK ON OR AROUND THE THRUST REVERSER. IF THE HCU IS NOT DEACTIVATED, THERE IS A RISK OF UNWANTED THRUST REVERSER OPERATION WHICH CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
(1) Deactivate the thrust reverser hydraulic control unit (HCU) (Ref. AMM TASK 78-30-00-040-012). D. Open the thrust reverser halves (Ref. AMM TASK 78-32-00-010-010):
(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR.
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
Subtask 71-71-48-110-050-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
451AL 452AR.
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
E. Clean the fuel drain tubes
(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with cleaning fluid (Material No.V01-002) , to clean the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7).
(2) Dry the fuel drain tubes with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
4. Procedure(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) , made moist with cleaning fluid (Material No.V01-002) , to clean the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7).
(2) Dry the fuel drain tubes with a clean Textile-Lint free Cotton - (Material No.14SBA1) .
Subtask 71-71-48-210-050-A ** ON A/C NOT FOR ALL
A. Examine the fuel drain tubes with the LIGHT SOURCE - INSPECTION and the MIRROR - INSPECTION
(1) Examine the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7) for security of attachment.
(a) If the drain tubes are loose, examine these items for damage, wear and loss of torque:
1 The attachment nuts and bolts.
2 The attachment clips.
3 The wire that safeties the connections.
4 The union nuts and the tube end fittings.
(b) If one (some) of the items has (have) damage or wear, reject it (them).
(2) Examine the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7) connections for leaks. No leaks are permitted.
(a) If leaks are found:
1 Examine the union nuts for loss of torque.
2 If there is a loss of torque, examine the union nuts and the tube end fittings for damage and wear.
3 If damage or wear is found, reject it (them).
(3) Examine the general condition of the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7).
(a) Examine the fuel drain tubes for cracks, dents and damage
1 If the tube(s) has (have) cracks, reject it (them).
2 If the tube(s) has (have) dents or damage, reject it (them).
5. Close-up(1) Examine the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7) for security of attachment.
(a) If the drain tubes are loose, examine these items for damage, wear and loss of torque:
1 The attachment nuts and bolts.
2 The attachment clips.
3 The wire that safeties the connections.
4 The union nuts and the tube end fittings.
(b) If one (some) of the items has (have) damage or wear, reject it (them).
(2) Examine the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7) connections for leaks. No leaks are permitted.
(a) If leaks are found:
1 Examine the union nuts for loss of torque.
2 If there is a loss of torque, examine the union nuts and the tube end fittings for damage and wear.
3 If damage or wear is found, reject it (them).
(3) Examine the general condition of the fuel drain tubes (1), (2), (3), (4), (5), (6) and (7).
(a) Examine the fuel drain tubes for cracks, dents and damage
1 If the tube(s) has (have) cracks, reject it (them).
2 If the tube(s) has (have) dents or damage, reject it (them).
Subtask 71-71-48-410-050-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser halves (Ref. AMM TASK 78-32-00-410-010):
(3) FOR [1000EM1] (ENGINE-1)
451AL 452AR.
(4) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
Subtask 71-71-48-440-050-A ** ON A/C NOT FOR ALL Subtask 71-71-48-410-051-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser halves (Ref. AMM TASK 78-32-00-410-010):
(3) FOR [1000EM1] (ENGINE-1)
451AL 452AR.
(4) FOR [1000EM2] (ENGINE-2)
461AL 462AR.