DOC AIRBUS | AMM A320FDetailed Inspection of Tank Bonding Leads (SFAR88)
TASK 28-18-00-200-002-A
Detailed Inspection of Tank Bonding Leads (SFAR88)
Refer to the MPD TASK: 281800-03
DETAILED INSPECTION OF TANK BONDING LEADS (SFAR88)
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 28-18-00-941-052-A ** ON A/C NOT FOR ALL
Subtask 28-18-00-210-051-B ** ON A/C NOT FOR ALL
Subtask 28-18-00-410-052-B ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:17:19 UTC
Detailed Inspection of Tank Bonding Leads (SFAR88)
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.
Refer to the MPD TASK: 281800-03
DETAILED INSPECTION OF TANK BONDING LEADS (SFAR88)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | 1 | LIGHT SOURCE - SPARK-PROOF |
| No specific | 1 | MIRROR - INSPECTION, FLEXIBLE |
| No specific | 1 | SAFETY BARRIER(S) |
| No specific | 1 | WARNING NOTICE(S) |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| 98D57004013000 | 1 | HOOK-COVER (RIB 2 SURGE DOORS) |
| 98D57004014000 | 1 | HOOK-COVER (RIB2-SURGE DOORS) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 140 | CENTER WING |
| 540 | FUEL TANK |
| 550 | VENT SURGE TANK |
| 640 | FUEL TANK |
| 650 | VENT SURGE TANK |
| 147AZ, 148AZ, 540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB, 640HB, 640JB, 640KB, 640LB, 640MB, 640NB, 640PB, 640QB, 640RB, 650AB, 650BB, 650CB, 650DB | |
| 540AZ, 540BZ, 640AZ, 640BZ |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-11-28-650-003-A | Pressure Refuel with Automatic Control |
| TASK 20-28-00-912-802-A | Electrical Bonding - General Maintenance Procedure |
| TASK 28-10-00-910-001-A | Safety Procedures When You Do Work in a Fuel Tank |
| TASK 28-10-00-910-002-A | Access to the Fuel Tanks and the Work Areas |
| TASK 28-25-00-650-001-A | Pressure Defuel |
| TASK 28-25-00-650-003-A | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 28-25-00-650-003-A-01 | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 57-17-11-000-001-A | Removal of Access Cover 147AZ(148AZ) |
| TASK 57-17-11-400-001-A | Installation of Access Cover 147AZ(148AZ) |
| TASK 57-27-11-000-001-A | Removal of the Access Panel |
| TASK 57-27-11-000-002-A | Removal of the Access Panel |
| TASK 57-27-11-400-001-A | Installation of the Access Panel |
| TASK 57-27-11-400-002-A | Installation of the Access Panel |
| TASK 57-27-12-000-002-A | Removal of the Rib 2 Access Panel 540AZ(640AZ) or 540BZ(640BZ) |
| TASK 57-27-12-400-002-A | Installation of the Rib 2 Access Panel 540AZ (640AZ) or 540BZ (640BZ) |
Wing Tank Access Panels - Location and DetailSubtask 28-18-00-941-052-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(2) Put the SAFETY BARRIER(S) in position.
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(4) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
Subtask 28-18-00-860-050-A ** ON A/C NOT FOR ALL WARNING:
BEFORE YOU DO WORK IN OR NEAR A FUEL TANK, MAKE SURE THAT YOU OBEY ALL THE SAFETY PROCEDURES. THIS WILL PREVENT INJURY TO PERSONS AND/OR DAMAGE TO THE AIRCRAFT.
(1) You must obey the fuel safety procedures when you do work in a fuel tank (Ref. AMM TASK 28-10-00-910-001). (2) Put the SAFETY BARRIER(S) in position.
(3) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
(4) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
B. Aircraft Maintenance Configuration
(1) Defuel the applicable fuel tanks (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tanks (Ref. AMM TASK 28-25-00-650-003).
Subtask 28-18-00-010-052-B ** ON A/C NOT FOR ALL (1) Defuel the applicable fuel tanks (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tanks (Ref. AMM TASK 28-25-00-650-003).
C. Get Access
(1) Remove the applicable access panels:
(a) For the LH wing remove:
(2) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable zone 540(640).
(3) Open the fuel-surge access doors on Rib 2 as follows:
(a) Open the FWD fuel-surge door 540AZ(640AZ) and hold it in position with the 98D57004013000 HOOK-COVER (RIB 2 SURGE DOORS).
(b) Open the AFT fuel-surge door 540BZ(640BZ) and hold it in position with the 98D57004014000 HOOK-COVER (RIB2-SURGE DOORS).
Subtask 28-18-00-010-052-D ** ON A/C NOT FOR ALL (1) Remove the applicable access panels:
(a) For the LH wing remove:
- 540AB 540BB 540CB 540DB 540EB 540FB 540GB (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 28-10-00-910-002)
- 540HB 540JB 540KB 540LB 540MB 540NB 540PB 540QB 540RB, 550AB 550BB 550CB 550DB (Ref. AMM TASK 57-27-11-000-002) and (Ref. AMM TASK 28-10-00-910-002).
- 640AB 640BB 640CB 640DB 640EB 640FB 640GB (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 28-10-00-910-002)
- 640HB 640JB 640KB 640LB 640MB 640NB 640PB 640QB 640RB, 650AB 650BB 650CB 650DB (Ref. AMM TASK 57-27-11-000-002) and (Ref. AMM TASK 28-10-00-910-002).
(2) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable zone 540(640).
(3) Open the fuel-surge access doors on Rib 2 as follows:
(a) Open the FWD fuel-surge door 540AZ(640AZ) and hold it in position with the 98D57004013000 HOOK-COVER (RIB 2 SURGE DOORS).
(b) Open the AFT fuel-surge door 540BZ(640BZ) and hold it in position with the 98D57004014000 HOOK-COVER (RIB2-SURGE DOORS).
C. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable zone 540 (640).
(2) Remove the applicable access panels:
(a) For the left wing:
(a) For the left wing:
4. Procedure(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable zone 540 (640).
(2) Remove the applicable access panels:
(a) For the left wing:
- Remove 540AB, 540BB, 540CB, 540DB, 540EB, 540FB and 540GB (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 28-10-00-910-002)
- Remove 540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB and 550DB (Ref. AMM TASK 57-27-11-000-002) and (Ref. AMM TASK 28-10-00-910-002).
- Remove 640AB, 640BB, 640CB, 640DB, 640EB, 640FB and 640GB (Ref. AMM TASK 57-27-11-000-001) and (Ref. AMM TASK 28-10-00-910-002)
- Remove 640HB, 640JB, 640KB, 640LB, 640MB, 640NB, 640PB, 640QB, 640RB, 650AB, 650BB, 650CB and 650DB (Ref. AMM TASK 57-27-11-000-002) and (Ref. AMM TASK 28-10-00-910-002).
- Remove 147AZ ( 148AZ) (Ref. AMM TASK 57-17-11-000-001) and (Ref. AMM TASK 28-10-00-910-002).
(a) For the left wing:
- Remove 540AZ and 540BZ (Ref. AMM TASK 57-27-12-000-002).
- Remove 640AZ and 640BZ (Ref. AMM TASK 57-27-12-000-002).
Subtask 28-18-00-210-051-B ** ON A/C NOT FOR ALL
A. Detailed Inspection of the Tank Bonding Leads
(1) Examine all the bonding leads in each wing tank and the center tank as follows:
(a) Use a LIGHT SOURCE - SPARK-PROOF and MIRROR - INSPECTION, FLEXIBLE to make sure that all the bonding leads are correctly installed.
(b) Carefully examine all the bonding leads and make sure that:
(d) Make sure that the bonding lead connections are in good condition.
(2) Replace all the defective bonding leads (Ref. AMM TASK 20-28-00-912-802) and (Ref. AMM TASK 20-28-00-912-802).
5. Close-up(1) Examine all the bonding leads in each wing tank and the center tank as follows:
(a) Use a LIGHT SOURCE - SPARK-PROOF and MIRROR - INSPECTION, FLEXIBLE to make sure that all the bonding leads are correctly installed.
(b) Carefully examine all the bonding leads and make sure that:
- They are not broken
- There are no broken strands
- The outer braid sheaths are not loose in the end crimps
- There is no sign of damage or corrosion.
NOTE: It is not important to replace the bonding leads that shows signs of tarnish.
(c) Carefully pull each bonding lead to make sure that the end crimps are correctly attached. (d) Make sure that the bonding lead connections are in good condition.
(2) Replace all the defective bonding leads (Ref. AMM TASK 20-28-00-912-802) and (Ref. AMM TASK 20-28-00-912-802).
Subtask 28-18-00-410-052-B ** ON A/C NOT FOR ALL
A. Close Access
(1) Remove the 98D57004013000 HOOK-COVER (RIB 2 SURGE DOORS) and close the FWD fuel-surge door 540AZ(640AZ).
(2) Remove the 98D57004014000 HOOK-COVER (RIB2-SURGE DOORS) and close the AFT fuel-surge door 540BZ(640BZ).
(3) Make sure that the work area is clean and clear of tool(s) and other items.
(4) Install the applicable access panels:
(a) For the LH wing install:
Subtask 28-18-00-410-052-D ** ON A/C NOT FOR ALL (1) Remove the 98D57004013000 HOOK-COVER (RIB 2 SURGE DOORS) and close the FWD fuel-surge door 540AZ(640AZ).
(2) Remove the 98D57004014000 HOOK-COVER (RIB2-SURGE DOORS) and close the AFT fuel-surge door 540BZ(640BZ).
(3) Make sure that the work area is clean and clear of tool(s) and other items.
(4) Install the applicable access panels:
(a) For the LH wing install:
- 540AB 540BB 540CB 540DB 540EB 540FB 540GB (Ref. AMM TASK 57-27-11-400-001)
- 540HB 540JB 540KB 540LB 540MB 540NB 540PB 540QB 540RB, 550AB 550BB 550CB 550DB (Ref. AMM TASK 57-27-11-400-002).
- 640AB 640BB 640CB 640DB 640EB 640FB 640GB (Ref. AMM TASK 57-27-11-400-001)
- 640HB 640JB 640KB 640LB 640MB 640NB 640PB 640QB 640RB, 650AB 650BB 650CB 650DB (Ref. AMM TASK 57-27-11-400-002).
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable RIB2 access panels:
(a) For the left wing:
(a) For the left wing:
Subtask 28-18-00-650-050-A ** ON A/C NOT FOR ALL Subtask 28-18-00-942-052-A ** 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 applicable RIB2 access panels:
(a) For the left wing:
- Install 540AZ and 540BZ (Ref. AMM TASK 57-27-12-400-002).
- Install 640AZ and 640BZ (Ref. AMM TASK 57-27-12-400-002).
(a) For the left wing:
- Install 540AB, 540BB, 540CB, 540DB, 540EB, 540FB and 540GB (Ref. AMM TASK 57-27-11-400-001)
- Install 540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB and 550DB (Ref. AMM TASK 57-27-11-400-002).
- Install 640AB, 640BB, 640CB, 640DB, 640EB, 640FB and 640GB (Ref. AMM TASK 57-27-11-400-001)
- Install 640HB, 640JB, 640KB, 640LB, 640MB, 640NB, 640PB, 640QB, 640RB, 650AB, 650BB, 650CB and 650DB (Ref. AMM TASK 57-27-11-400-002).
- Install 147AZ ( 148AZ) (Ref. AMM TASK 57-17-11-400-001).
C. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the access platform(s).
(3) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(4) Remove the WARNING NOTICE(S).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the safety barriers.
(2) Remove the access platform(s).
(3) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(4) Remove the WARNING NOTICE(S).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.