DOC AIRBUS | AMM A320FInspection of the Fan Frame Assembly and the Mount Tube Stopper Assembly [IAE]
TASK 72-32-03-200-010-B
Inspection of the Fan Frame Assembly and the Mount Tube Stopper Assembly
1. Reason for the Job
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 72-32-03-941-054-A ** ON A/C NOT FOR ALL
Subtask 72-32-03-210-052-A ** ON A/C NOT FOR ALL
Subtask 72-32-03-410-056-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:45:16 UTC
Inspection of the Fan Frame Assembly and the Mount Tube Stopper Assembly
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | WARNING NOTICE(S) |
| 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 71-21-11-200-801-A | Inspection of the Front Mount Tube Assembly |
| TASK 72-32-03-000-001-A | Removal of the Mount Tube Stopper |
| TASK 72-32-03-300-010-A | Repair of the Fan Frame Assembly - VRS1731 |
| TASK 72-32-03-400-001-A | Installation of the Mount Tube Stopper |
| 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 |
Fan Frame AssemblySubtask 72-32-03-941-054-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 72-32-03-010-056-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. Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Put the ACCESS PLATFORM 1M(3 FT) in to position to give access to the engine.
Subtask 72-32-03-040-053-A ** ON A/C NOT FOR ALL Subtask 72-32-03-010-057-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(3) Put the ACCESS PLATFORM 1M(3 FT) in to position to give access to the engine.
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
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 72-32-03-210-052-A ** ON A/C NOT FOR ALL
A. Examine the fan frame assembly
(1) Examine the area A of the struts for cracks, nicks, scores, scratches, scores and/or dents.
(a) If they are cracked, reject them.
(b) If they have nicks, dents, scores and/or scratches, up to 0.006 in. (0.15 mm) in depth and 0.50 in. (12.7 mm) in length, accept them.
(c) If they have nicks, dents, scores and/or scratches that are more than (b), repair them (Ref. AMM TASK 72-32-03-300-010).
(2) Examine the area B of the struts for cracks, nicks, scores scratches and/or dents.
(a) If they are cracked, reject them.
(b) If they have nicks , dents, scores and/or scratches, up to 0.004 in. (0.10 mm) in depth and 0.50 in. (12.7 mm) in length, accept them.
(c) If they have nicks, dents, scores and/or scratches that are more than (b), repair them (Ref. AMM TASK 72-32-03-300-010).
(3) Examine the inner surface of the fan frame assembly for cracks, nicks, scores, scratches, dents and/or black spots.
(a) If it is cracked, reject it.
(b) If it has nicks, dents, scores and/or scratches, up to 0.008 in. (0.20 mm) in depth and 0.50 in. (12.7 mm) length, accept it.
(c) If it has nicks, dents, scores and/or scratches that are more than (b), repair it (Ref. AMM TASK 72-32-03-300-010).
(d) If it has smooth contour dents, up to 0.030 in. (0.76 mm) in depth, accept it.
(e) If there are rings, spots or squares which are darker in appearance than neighboring material, accept it.
(4) Examine the mount tube stopper assembly on the fan frame assembly.
(a) If the rubber is cut, cracked, torn, missing or loose, examine the front mount tube assembly for contact with mount tube stopper assembly (Ref. AMM TASK 71-21-11-200-801).
(b) If the rubber is deformed or peeled.
1 No contact between front mount tube assembly (Ref. AMM TASK 71-21-11-200-801) and the bracket of the mount tube stopper assembly nor the fan frame assembly, accept the mount tube stopper assembly.
2 Contact between front mount tube assembly (Ref. AMM TASK 71-21-11-200-801) and the bracket of the mount tube stopper assembly and/or the fan frame assembly, examine the front mount tube assembly for contact with mount tube stopper assembly (Ref. AMM TASK 71-21-11-200-801).
(c) If the bracket is distorted or bent, replace the mount tube stopper assembly (Ref. AMM TASK 72-32-03-000-001) (Ref. AMM TASK 72-32-03-400-001).
(d) If the bracket has nicks or scratches, up to 0.020 in. (0.50 mm) in depth, accept the mount tube stopper assembly.
(e) If the bracket has nicks or scratches that are more than the above limits, replace the mount tube stopper assembly (Ref. AMM TASK 72-32-03-000-001) (Ref. AMM TASK 72-32-03-400-001).
5. Close-up(1) Examine the area A of the struts for cracks, nicks, scores, scratches, scores and/or dents.
(a) If they are cracked, reject them.
(b) If they have nicks, dents, scores and/or scratches, up to 0.006 in. (0.15 mm) in depth and 0.50 in. (12.7 mm) in length, accept them.
(c) If they have nicks, dents, scores and/or scratches that are more than (b), repair them (Ref. AMM TASK 72-32-03-300-010).
(2) Examine the area B of the struts for cracks, nicks, scores scratches and/or dents.
(a) If they are cracked, reject them.
(b) If they have nicks , dents, scores and/or scratches, up to 0.004 in. (0.10 mm) in depth and 0.50 in. (12.7 mm) in length, accept them.
(c) If they have nicks, dents, scores and/or scratches that are more than (b), repair them (Ref. AMM TASK 72-32-03-300-010).
(3) Examine the inner surface of the fan frame assembly for cracks, nicks, scores, scratches, dents and/or black spots.
(a) If it is cracked, reject it.
(b) If it has nicks, dents, scores and/or scratches, up to 0.008 in. (0.20 mm) in depth and 0.50 in. (12.7 mm) length, accept it.
(c) If it has nicks, dents, scores and/or scratches that are more than (b), repair it (Ref. AMM TASK 72-32-03-300-010).
(d) If it has smooth contour dents, up to 0.030 in. (0.76 mm) in depth, accept it.
(e) If there are rings, spots or squares which are darker in appearance than neighboring material, accept it.
(4) Examine the mount tube stopper assembly on the fan frame assembly.
(a) If the rubber is cut, cracked, torn, missing or loose, examine the front mount tube assembly for contact with mount tube stopper assembly (Ref. AMM TASK 71-21-11-200-801).
(b) If the rubber is deformed or peeled.
1 No contact between front mount tube assembly (Ref. AMM TASK 71-21-11-200-801) and the bracket of the mount tube stopper assembly nor the fan frame assembly, accept the mount tube stopper assembly.
2 Contact between front mount tube assembly (Ref. AMM TASK 71-21-11-200-801) and the bracket of the mount tube stopper assembly and/or the fan frame assembly, examine the front mount tube assembly for contact with mount tube stopper assembly (Ref. AMM TASK 71-21-11-200-801).
(c) If the bracket is distorted or bent, replace the mount tube stopper assembly (Ref. AMM TASK 72-32-03-000-001) (Ref. AMM TASK 72-32-03-400-001).
(d) If the bracket has nicks or scratches, up to 0.020 in. (0.50 mm) in depth, accept the mount tube stopper assembly.
(e) If the bracket has nicks or scratches that are more than the above limits, replace the mount tube stopper assembly (Ref. AMM TASK 72-32-03-000-001) (Ref. AMM TASK 72-32-03-400-001).
Subtask 72-32-03-410-056-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):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.
Subtask 72-32-03-440-053-A ** ON A/C NOT FOR ALL Subtask 72-32-03-410-057-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):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR.