Adjustment of the Flap Drive System

TASK 27-54-00-820-001-A
Adjustment of the Flap Drive System

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 140
ZONE: 190
ZONE: 530
ZONE: 571
ZONE: 572
ZONE: 573
ZONE: 575
ZONE: 630
ZONE: 671
ZONE: 672
ZONE: 673
ZONE: 675
FIN: 6204CM
FIN: 6206CM
FIN: 6210CM
FIN: 6218CM
FIN: 6222CM
FIN: 6224CM
FIN: 6232CM
FIN: 6254CM
FIN: 6256CM
FIN: 6260CM
FIN: 6268CM ** ON A/C NOT FOR ALL
FIN: 6272CM
FIN: 6274CM
FIN: 6282CM

1. Reason for the Job
Self explanatory
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	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	2	WARNING NOTICE(S)
98D27504005000	1	PIN RIGGING-FLAPS (TRACK 1)
98D27504006000	1	PIN-RIGGING, FLAPS
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
140	CENTER WING
190	BELLY FAIR, AIR CONDITIONING & HYD COMPT
530	LEFT WING FLAP TRACK FAIRINGS & SHARKLET
571	MLG BAY
572	SHROUD BOX STA 0 TO STA 1800
573	FIXED STRUCT FROM STA 1800 TO STA 4666
575	AFT OUTBD SE OF WING AND TE FIXED STRUCT
630	RIGHT WING FLAP TRACK FAIRINGS AND SHARKLET
671	MLG BAY
672	SHROUD BOX STA 0 TO STA 1800
673	FIXED STRUCT FROM STA 1800 TO STA 4666
675	AFT OUTBD SE OF WING AND TE FIXED STRUCT
571AB, 573AB, 573BB, 573CB, 575AB, 575CB, 575DB, 575FB, 575GB, 671AB, 673AB, 673BB, 673CB, 675AB, 675CB, 675DB, 675FB, 675GB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 27-50-00-860-801-A	Readout of the Flap Position Pickoff Unit (PPU) Data
TASK 27-50-00-866-008-A	Extension of the Flaps on the Ground
TASK 27-50-00-866-008-A-01	Extension of the Flaps/Slats on the Ground
TASK 27-50-00-866-009-A	Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 27-51-44-820-001-A	Adjustment of the Interconnecting Strut
TASK 27-54-00-220-007-A	Check of the Flap Drive System
TASK 27-54-00-710-001-A	Operational Test of the Flap System
TASK 27-54-45-000-002-A	Removal of the Torque Shaft
TASK 27-54-45-000-005-A	Removal of the Torque Shaft
TASK 27-54-45-000-009-A	Removal of Torque Shaft
TASK 27-54-45-000-010-A	Removal of the Torque Shaft
TASK 27-54-45-400-002-A	Installation of the Torque Shaft
TASK 27-54-45-400-005-A	Installation of the Torque Shaft
TASK 27-54-45-400-009-A	Installation of the Torque Shaft
TASK 27-54-45-400-010-A	Installation of the Torque Shaft
TASK 32-00-00-481-002-A	Installation of the Safety Devices on the Landing Gear Doors
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access
TASK 57-51-37-000-002-A	Removal of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
TASK 57-51-37-000-004-A	Removal of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
TASK 57-51-37-400-002-A	Installation of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
TASK 57-51-37-400-004-A	Installation of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
TASK 27-50-00-869-006-A	Reset of the Wing Tip Brake (WTB) of the Flap System on the Ground (for corrective action)
TASK 27-51-00-820-001-A	Manual Adjustment of the Position Pick-Off Units (for corrective action)
Flap Transmission - Access Panels
Installation of the Flap Rigging Pins ** ON A/C NOT FOR ALL
Installation of the Flap Rigging Pins ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 27-54-00-860-077-A

A. Aircraft Maintenance Configuration
(1) Put the SAFETY BARRIER(S) in position.
(2) Put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear doors.
(3) Extension of the flaps

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(a) Extend the flaps fully (Ref. AMM TASK 27-50-00-866-008).
(b) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever on panel 114VU.

Subtask 27-54-00-865-080-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 27-54-00-010-067-A

C. Get Access

Flap Transmission - Access Panels

(1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
(2) Install the safety devices on the MLG doors (Ref. AMM TASK 32-00-00-481-002).
(3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable access panels.
(4) Remove the applicable access panels:
For the left wing, remove the panels:

571AB, 573AB, 573BB, 573CB (Ref. AMM TASK 57-51-37-000-002)
575AB, 575CB, 575DB, 575FB and 575GB (Ref. AMM TASK 57-51-37-000-004).

For the right wing, remove the panels:

671AB, 673AB, 673BB, 673CB (Ref. AMM TASK 57-51-37-000-002)
675AB, 675CB, 675DB, 675FB and 675GB (Ref. AMM TASK 57-51-37-000-004).

(5) Clean the rigging pin holes at tracks 1, 2, 3 and 4 with the clean Textile-Lint free Cotton - (Material No.14SBA1) and the Non Aqueous Cleaner-General - - (Material No.08BAA9) .

Installation of the Flap Rigging Pins ** ON A/C NOT FOR ALL

Subtask 27-54-00-865-081-A

D. Close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 27-54-00-866-060-A

E. Retraction of the Flaps
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Retract the flaps fully (Ref. AMM TASK 27-50-00-866-009). Do not do this manually.
(3) On panel 114VU, install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
(4) Put the WARNING NOTICE(S) in position on panel 114VU to tell persons not to operate the flap/slat controls.

Subtask 27-54-00-740-052-A

F. Readout of the Position Pickoff Units (PPUs) on the Centralized Fault Display System (CFDS)
(1) Do the readout of the PPU data (Ref. AMM TASK 27-50-00-860-801).

NOTE: Airbus recommends to do the readout and recording of the PPU angles before the maintenance action.
In case of a loss of the torque shaft fixture you can put the flap transmission system back to the initial condition.

Subtask 27-54-00-865-082-A

G. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

4. Procedure
Subtask 27-54-00-820-051-A ** ON A/C NOT FOR ALL

A. Adjustment of Flap Track No. 1
(1) Install the 98D27504005000 PIN RIGGING-FLAPS (TRACK 1) (2) at track 1.
(2) If you cannot install the 98D27504005000 PIN RIGGING-FLAPS (TRACK 1) (2) easily, do the steps that follow:
(a) Remove torque shaft 6204CM (6254CM) (Ref. AMM TASK 27-54-45-000-002).
(b) Adjustment of the flap drive system (for a free rigging pin):
1 Loosen the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT as necessary to turn the torque shafts.
2 Turn torque shaft 6206CM (6256CM) four turns in the extension direction.
3 Turn torque shaft 6206CM (6256CM) in the retraction direction until you can install the rigging pin (2) easily.
4 If you turn torque shaft 6206CM (6256CM) accidentally too far in the retraction direction:

Do the adjustment procedure again until you can install the rigging pin (2) easily.

(c) Install torque shaft 6204CM (6254CM) (Ref. AMM TASK 27-54-45-400-002).
(d) Install the 98D27504005000 PIN RIGGING-FLAPS (TRACK 1) (2):
1 Make sure that you can remove/install the rigging pin (2) easily.
2 If you cannot remove/install the rigging pin (2) easily, do the adjustment procedure again.

Subtask 27-54-00-820-051-C ** ON A/C NOT FOR ALL

A. Adjustment of Flap Track No. 1
(1) Install the 98D27504006000 PIN-RIGGING, FLAPS (1) at track 1.
(2) If you cannot install the 98D27504006000 PIN-RIGGING, FLAPS (1) easily, do the steps that follow:
(a) Remove torque shaft 6204CM (6254CM) (Ref. AMM TASK 27-54-45-000-002).
(b) Adjustment of the flap drive system (for a free rigging pin):
1 Loosen the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT as necessary to turn the torque shafts.
2 Turn torque shaft 6206CM (6256CM) four turns in the extension direction.
3 Turn torque shaft 6206CM (6256CM) in the retraction direction until you can install the rigging pin (1) easily.
4 If you turn torque shaft 6206CM (6256CM) accidentally too far in the retraction direction:

Do the adjustment procedure again until you can install the rigging pin (1) easily.

(c) Install torque shaft 6204CM (6254CM) (Ref. AMM TASK 27-54-45-400-002).
(d) Install the 98D27504006000 PIN-RIGGING, FLAPS (1):
1 Make sure that you can remove/install the rigging pin (1) easily.
2 If you cannot remove/install the rigging pin (1) easily, do the adjustment procedure again.

Subtask 27-54-00-820-052-A

B. Adjustment of Flap Track No. 2
(1) Install the 98D27504006000 PIN-RIGGING, FLAPS (1) at track 2.
(2) If you cannot install the 98D27504006000 PIN-RIGGING, FLAPS (1) easily, do the steps that follow:
(a) Remove torque shaft 6210CM (6260CM) (Ref. AMM TASK 27-54-45-000-005).
(b) Adjustment of the flap drive system (for a free rigging pin):
1 Loosen the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT as necessary to turn the torque shafts.
2 Turn torque shaft 6218CM (6268CM) four turns in the extension direction.
3 Turn torque shaft 6218CM (6268CM) in the retraction direction until you can install the rigging pin (1) easily.
4 If you turn torque shaft 6218CM (6268CM) accidentally too far in the retraction direction:

Do the adjustment procedure again, until you can install the rigging pin (1) easily.

(c) Install torque shaft 6210CM (6260CM) (Ref. AMM TASK 27-54-45-400-005)
(d) Install the 98D27504006000 PIN-RIGGING, FLAPS (1):
1 Make sure that you can remove/install the rigging pin (1) easily.
2 If you cannot remove/install the rigging pin (1) easily, do the adjustment procedure again.

Subtask 27-54-00-820-053-A

C. Adjustment of Flap Track No. 3
(1) Install the 98D27504006000 PIN-RIGGING, FLAPS (1) at track 3.
(2) If you cannot install the 98D27504006000 PIN-RIGGING, FLAPS (1) easily, do the steps that follow:
(a) Remove torque shaft 6218CM (6268CM) (Ref. AMM TASK 27-54-45-000-009)
(b) Adjustment of the flap drive system (for a free rigging pin):
1 Loosen the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT as necessary to turn the torque shafts.
2 Turn torque shaft 6224CM (6274CM) four turns in the extension direction.
3 Turn torque shaft 6224CM (6274CM) in the retraction direction until you can install the rigging pin (1) easily.
4 If you turn torque shaft 6224CM (6274CM) accidentally too far in the retraction direction:

Do the adjustment procedure again, until you can install the rigging pin (1) easily.

(c) Install torque shaft 6218CM (6268CM) (Ref. AMM TASK 27-54-45-400-009).
(d) Install the 98D27504006000 PIN-RIGGING, FLAPS (1):
1 Make sure that you can remove/install the rigging pin (1) easily.
2 If you cannot remove/install the rigging pin (1) easily, do the adjustment procedure again.

Subtask 27-54-00-820-054-A

D. Adjustment of Flap Track No. 4
(1) Install the 98D27504006000 PIN-RIGGING, FLAPS (1) at track 4.
(2) If you cannot install the 98D27504006000 PIN-RIGGING, FLAPS (1) easily, do the steps that follow:
(a) Remove torque shaft 6222CM (6272CM) (Ref. AMM TASK 27-54-45-000-010).
(b) Adjustment of the flap drive system (for a free rigging pin):
1 Loosen the 98D27504030001 LOCK-TORQUE SHAFT (FLAPS AND SLATS) WITH CLAMP-PIVOT as necessary to turn the torque shafts.
2 Turn torque shaft 6232CM (6282CM) four turns in the extension direction.
3 Turn torque shaft 6232CM (6282CM) in the retraction direction until you can install the rigging pin (1) easily.
4 If you turn torque shaft 6232CM (6282CM) accidentally too far in the retraction direction:

Do the adjustment procedure again, until you can install the rigging pin (1) easily.

(c) Install torque shaft 6222CM (6272CM) (Ref. AMM TASK 27-54-45-400-010).
(d) Install the 98D27504006000 PIN-RIGGING, FLAPS (1):
1 Make sure that you can remove/install the rigging pin (1) easily.
2 If you cannot remove/install the rigging pin (1) easily, do the adjustment procedure again.

Subtask 27-54-00-865-083-A

E. Close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
49VU	AUTO FLT/FAC1/28VDC	5CC1	B04
49VU	AUTO FLT/FAC1/26VAC	14CC1	B03
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
49VU	AUTO FLT/FAC1/28VDC	5CC1	H10
49VU	AUTO FLT/FAC1/26VAC	14CC1	H09
** ON A/C ALL
121VU	AUTO FLT/RUDDER/TRIM/IND	15CC	M20
121VU	AUTO FLT/FAC2/28VDC	5CC2	M19
121VU	AUTO FLT/FAC2/26VAC	14CC2	M18
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21

Subtask 27-54-00-740-050-A

F. Do the Check of the PPU Data
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Do the readout and check of the PPU data (Ref. AMM TASK 27-50-00-860-801).
(3) Make sure that the PPU data are in the limits.

Subtask 27-54-00-820-055-A

G. Adjustment after the Check of the PPU Data (if necessary)
(1) If the PPU data are not in the limits, do the steps that follow:
(a) Disconnect the APPU and adjust the APPU input shaft (Ref. AMM TASK 27-51-00-820-001).
(b) Do step (1)(a) again until the PPU data are in the specified limits.

Subtask 27-54-00-860-078-A

H. Preparation for the Adjustment of the Interconnecting Strut
(1) Remove the rigging pins from tracks 1, 2, 3 and 4.
(2) If necessary, reset the Wing Tip Brake (WTB) of the flap system on the ground (Ref. AMM TASK 27-50-00-869-006).
(3) Extend the flaps on the ground (Ref. AMM TASK 27-50-00-866-008).
(4) Retract the flaps on the ground (Ref. AMM TASK 27-50-00-866-009).
(5) Do a readout and check of the PPU data (Ref. AMM TASK 27-50-00-860-801).
(6) Make sure that the PPU data are in the limits.
(7) If the PPU data are not in the specified limit, do the steps that follow:
(a) Disconnect the APPU and adjust the APPU input shaft (Ref. AMM TASK 27-51-00-820-001).
(b) Do step (7)(a) again until the PPU data are in the specified limits.
(8) Do the adjustment of the interconnecting strut (Ref. AMM TASK 27-51-44-820-001).

Subtask 27-54-00-710-052-A

I. Test
(1) Do the operational test of the flap system (Ref. AMM TASK 27-54-00-710-001).

NOTE: Due to system play and PCU tolerances, possibly you cannot install the PINS- RIGGING, FLAPS after the operational test. This does not indicate an incorrect adjustment.

(2) If it is necessary to examine the system again do the Check of the Flap Drive System (Ref. AMM TASK 27-54-00-220-007).

5. Close-up
Subtask 27-54-00-860-079-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panels:
(a) For the left wing, install these access panels:

571AB, 573AB, 573BB, 573CB (Ref. AMM TASK 57-51-37-400-002)
575AB, 575CB, 575DB, 575FB, 575GB (Ref. AMM TASK 57-51-37-400-004).

(b) For the right wing, install these access panels:

671AB, 673AB, 673BB, 673CB (Ref. AMM TASK 57-51-37-400-002)
675AB, 675CB, 675DB, 675FB, 675GB (Ref. AMM TASK 57-51-37-400-004).

(3) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.03.31 23:53:03 UTC