Removal of the Access Panel
TASK 57-27-11-000-001-A
Removal of the Access Panel
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 57-27-11-941-050-A
Subtask 57-27-11-020-050-A
[Rev.10 from 2021]
2026.04.01 02:11:49 UTC
Removal of the Access Panel
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 | 1 | ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE |
| No specific | 1 | LABEL - IDENTIFICATION |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | WARNING NOTICE(S) |
| 98A53003500000 | 1 | REMOVAL TOOL OF PHILLIPS TORQUE |
| 98A57304002000 | 1 | EXTRACTION, MANHOLE BOLT |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB |
| REFERENCE | DESIGNATION |
|---|---|
| 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 57-27-11-300-001-A | Repair of the Outer Wing - SPF Access Panels |
| TASK 57-55-11-000-001-A | Removal of the Flap Track Fairings Nos. 2, 3 and 4 |
| TASK 57-55-11-000-004-A | Removal of the Flap Track Fairings Nos. 2, 3 and 4 |
Subtask 57-27-11-941-050-A
A. Safety Precautions
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Put the 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 57-27-11-860-054-A 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) and (Ref. AMM TASK 28-10-00-910-002). (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Put the 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 tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
Subtask 57-27-11-865-050-A (1) Defuel the applicable fuel tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 57-27-11-010-054-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FUEL/XFR VALVE1/WING/R | 2QP | A11 |
| 49VU | FUEL/XFR VALVE1/WING/L | 1QP | A10 |
| ** ON A/C ALL | |||
| 49VU | FUEL/X FEED/VALVE/MOT1 | 2QE | A12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/CTR TK/PUMP2 SPLY | 30QA | P26 |
| 121VU | FUEL/CTR TK/PUMP1 SPLY | 29QA | P23 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/RFL/DFL/SPLY | 2QU | L24 |
| 121VU | FUEL/RFL/DFL/XFR/DEFUEL/VALVE | 1QU | L23 |
| ** ON A/C ALL | |||
| 121VU | FUEL/L WING TK/PUMP2 SPLY | 7QA | N26 |
| 121VU | FUEL/L WING TK/PUMP1 SPLY | 1QA | N23 |
| 121VU | FUEL/R WING TK/PUMP2 SPLY | 8QA | Q26 |
| 121VU | FUEL/R WING TK/PUMP1 SPLY | 2QA | Q23 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/RFL/DFL/SPLY | 2QU | L23 |
| 121VU | FUEL/RFL/DFL/XFR/DEFUEL/VALVE | 1QU | L22 |
D. Get Access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position below the applicable access panel:
(2) Remove the forward and aft fixed fairings of the No. 3 flap track (Ref. AMM TASK 57-55-11-000-001):
Subtask 57-27-11-010-054-B ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position below the applicable access panel:
(2) Remove the forward and aft fixed fairings of the No. 3 flap track (Ref. AMM TASK 57-55-11-000-001):
D. Get Access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position below the applicable access panel:
(2) Remove the forward and aft fixed fairings of the No. 3 flap track (Ref. AMM TASK 57-55-11-000-004):
4. Procedure(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position below the applicable access panel:
(2) Remove the forward and aft fixed fairings of the No. 3 flap track (Ref. AMM TASK 57-55-11-000-004):
Subtask 57-27-11-020-050-A
A. Removal of the Access Panel
(a) If you cannot remove the applicable bolt(s) (6), (17) and (28) easily, use the 98A53003500000 REMOVAL TOOL OF PHILLIPS TORQUE or the 98A57304002000 EXTRACTION, MANHOLE BOLT.
(b) Remove the applicable bolt(s) (6), (17) and (28) in the sequence AF thru A.
(c) Remove the applicable clamp ring(s) (5), (16) and (27) and the applicable knitted gasket(s) (4), (15) and (26).
(d) Remove the applicable access panel(s) (1), (12) and (23).
(e) Identify the applicable removed access panel(s) (1), (12) and (23) with a LABEL - IDENTIFICATION.
(2) To remove the POST modification 30100J2130 panels:
(a) If you cannot remove the applicable bolt(s) (11), (22) and (33) easily, use the 98A53003500000 REMOVAL TOOL OF PHILLIPS TORQUE or the 98A57304002000 EXTRACTION, MANHOLE BOLT.
(b) Remove the applicable bolt(s) (11), (22) and (33) in the sequence AF thru A.
(c) Remove the applicable outer access panel(s) (10), (21) and (32) and the applicable knitted gasket(s) (9), (20) and (31).
(d) Remove the applicable access panel(s) (7), (18) and (29).
(e) Identify the applicable removed access panel(s) (7), (18) and (29) with a LABEL - IDENTIFICATION.
Subtask 57-27-11-210-069-A ** ON A/C NOT FOR ALL CAUTION:
YOU MUST REMOVE AND INSTALL THE BOLTS IN THE SPECIFIED SEQUENCE. THIS WILL PREVENT DAMAGE TO THE ACCESS PANEL.
(1) To remove the PRE modification 30100J2130 panels: (a) If you cannot remove the applicable bolt(s) (6), (17) and (28) easily, use the 98A53003500000 REMOVAL TOOL OF PHILLIPS TORQUE or the 98A57304002000 EXTRACTION, MANHOLE BOLT.
(b) Remove the applicable bolt(s) (6), (17) and (28) in the sequence AF thru A.
(c) Remove the applicable clamp ring(s) (5), (16) and (27) and the applicable knitted gasket(s) (4), (15) and (26).
(d) Remove the applicable access panel(s) (1), (12) and (23).
(e) Identify the applicable removed access panel(s) (1), (12) and (23) with a LABEL - IDENTIFICATION.
(2) To remove the POST modification 30100J2130 panels:
(a) If you cannot remove the applicable bolt(s) (11), (22) and (33) easily, use the 98A53003500000 REMOVAL TOOL OF PHILLIPS TORQUE or the 98A57304002000 EXTRACTION, MANHOLE BOLT.
(b) Remove the applicable bolt(s) (11), (22) and (33) in the sequence AF thru A.
(c) Remove the applicable outer access panel(s) (10), (21) and (32) and the applicable knitted gasket(s) (9), (20) and (31).
(d) Remove the applicable access panel(s) (7), (18) and (29).
(e) Identify the applicable removed access panel(s) (7), (18) and (29) with a LABEL - IDENTIFICATION.
B. Inspection of the Lower Wing Tank Access Panels for Fluid Ingress
(1) Examine the lower wing tank access panels:
(a) Look for signs of:
(1) Examine the lower wing tank access panels:
(a) Look for signs of:
- fluid leakage at the panel side plug
- fluid leakage at the panel rivnuts.
| PANEL TYPE | PART NUMBER | NOMINAL WEIGHT (kg) +/- 0.100kg |
|---|---|---|
| Type 23R | D572 51360 000 D572 51360 002 | 1.58 |
| Type 24 | D572 51306 000 D572 51306 002 | 1.10 |
NOTE: If a panel weighs more than the value given in the table, repair the panels that have fluid ingress (Ref. AMM TASK 57-27-11-300-001).
Access Panels - Rib 2 to Rib 13