W DOC AIRBUS | AMM A320F

Inspection of the Fan Exit Vane Assembly [IAE]


TASK 72-32-88-200-010-B
Inspection of the Fan Exit Vane Assembly


1. Reason for the Job
This TASK is for V2500-A5 engines POST SBE 70-0377
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 2M (6 FT)
No specific
AR
MAT - WORK
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 447AL, 448AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR
 C. Referenced Information
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 72-32-88-300-011-A
Repair of the Fan Exit vane Assembly - VRS1817
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
3. Job Set-up
Subtask 72-32-88-941-065-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 72-32-88-010-070-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
     (b) FOR [1000EM1] (ENGINE-1)
447AL 448AR.
Subtask 72-32-88-010-071-A ** ON A/C NOT FOR ALL
C. 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 72-32-88-941-066-A ** ON A/C NOT FOR ALL
D. Put the support in position in the fan case.
   (1) Put the ACCESS PLATFORM 2M (6 FT) in to position to give access to the inspection task.
   (2) Put the MAT - WORK in to position in the fan case.
NOTE: Make sure the workmat has sufficient dimensions to give full protection of the lower half of the fan case.
4. Procedure
Subtask 72-32-88-210-053-A ** ON A/C NOT FOR ALL
A. Examine the Fan Exit Vane Assembly
   (1) Examine the areas A and C of the fan exit vane assembly for cracks, nicks, scratches, dents and corrosion.
     (a) If they are cracked, reject them.
     (b) If they are nicked or scratched, up to 0.02 in. (0.5 mm) in depth, accept them.
     (c) If they are nicked or scratched more than in (b) and up to 0.040in. (1.01mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
     (d) If they are nicked or scratched more than in (c) and up to 0.080in. (2.03mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 10 flight hours or 5 flight cycles whichever the sooner.
     (e) If they are nicked or scratched more than in (d), repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011).
     (f) If they are dented, up to 0.04in. (1.01mm) in depht, accept them.
     (g) If they are dented more than in (f) and up to 0.080in. (2.03mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
     (h) If they are dented more than in (g), repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 10 flight hours or 5 flight cycles whichever the sooner.
     (i) If they are corroded, up to 0.005in. (0.12mm) in depth, accept them.
     (j) If they are corroded more than in (i), repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
   (2) Examine the area B of the fan exit vane assembly for cracks, nicks, scratches, dents and corrosion.
     (a) If they are cracked, reject them.
     (b) If they are nicked, scratched or dented, up to 0.010 in. (0.25 mm) in depth, accept them.
     (c) If they are nicked, scratched or dented more than in (b) and up to 0.020in. (0.50mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
     (d) If they are nicked, scratched or dented more than in (c) and up to 0.040in. (1.01mm) in depth, replace the vane assembly within 10 flight hours or 5 flight cycles whichever the sooner.
     (e) If they are nicked, scratched or dented more than in (d).
     (f) If they are corroded, up to 0.005in. (0.12mm) in depth, accept them.
     (g) If they are corroded more than in (f) and up to 0.010in. (0.25mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
     (h) If they are corroded more than in (g), repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 10 flight hours or 5 flight cycles whichever the sooner.
   (3) Examine the area D of the fan exit vane assembly for cracks, nicks, scratches, dents and corrosion.
     (a) If they are cracked, reject them.
     (b) If they are nicked or scratched, up to 0.004 in. (0.10 mm) in depth, accept them.
     (c) If they are nicked or scratched more than in (b) and up to 0.020in. (0.50mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
     (d) If they are nicked or scratched more than in (c), reject them.
     (e) If they are dented, up to 0.020 in. (0.50 mm) in depth, accept them.
     (f) If they are dented more than in (e), replace the vane assembly within 50 flight hours or 25 flight cycles whichever the sooner.
     (g) If they are corroded, up to 0.005in. (0.12mm) in depth, accept them.
     (h) If they are corroded more than in (g), repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
   (4) Examine the area E of the fan exit vane assembly for cracks, nicks, scratches, dents and corrosion.
     (a) If they are cracked, reject them.
     (b) If they are nicked or scratched, up to 0.004in. (0.10mm) in depth, accept them.
     (c) If they are nicked or scratched more than in (b) and up to 0.039in. (1.00mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
     (d) If they are nicked or scratched more than in (c), reject them.
     (e) If they are dented up to 0.039in. (1.00mm) in depth, accept them.
     (f) If they are dented more than in (e), replace the vane assembly within 50 flight hours or 25 flight cycles whichever the sooner.
     (g) If they are corroded, up to 0.005in. (0.12mm) in depth, accept them.
     (h) If they are corroded more than in (g), repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
   (5) Examine the area G of the fan exit vane assembly for cracks, nicks and scratches.
     (a) If they are cracked, reject them.
     (b) If they are nicked or scratched, up to 0.020in. (0.50mm) in depth, accept them.
     (c) If they are nicked or scratched more than in (b) and up to 0.039in. (1.00mm) in depth, repair per VRS1817 (Ref. AMM TASK 72-32-88-300-011) within 50 flight hours or 25 flight cycles whichever the sooner.
     (d) If they are nicked or scratched more than in (c) replace the vane assembly within 10 flight hours or 5 flight cycles whichever the sooner.
   (6) Examine the area F of the fan exit vane assembly for cracks and scratches.
     (a) If they are cracked, reject them.
     (b) If they are nicked or scratched, up to 0.011in. (0.30mm) in depth, accept them.
     (c) If they are nicked or scratched more than in (b), replace the vane assembly within 10 flight hours or 5 flight cycles whichever the sooner.
   (7) Examine the area H of the fan exit vane assembly for cracks, nicks and scratches.
     (a) If they are cracked, reject them.
     (b) If they are nicked or scratched, up to 0.039in. (1.00mm) in depth, accept them.
     (c) If they are nicked or scratched more than in (c), replace the vane assembly within 10 flight hours or 5 flight cycles whichever the sooner.
   (8) Examine the area J of the fan exit vane assembly for cracks, nicks and scratches, holes and missing materials.
     (a) If they have cracks which do not reach to the vane slot, accept them.
     (b) If they have cracks which reach to the vane slot, reject them.
     (c) If they are nicked or scratched, accept them.
     (d) If they have holes or missing materials which do not reach to the vane slot, replace the vane assembly within 125 flight hours or 80 flight cycles whichever the sooner.
     (e) If they have holes or missing materials which reach to the vane slot, reject them.
   (9) Examine the area K of the fan exit vane assembly for cracks, nicks and scratches, holes and missing materials.
     (a) If they have cracks which do not reach to the vane slot, replace the vane assembly within 125 flight hours or 80 flight cycles whichever the sooner. They must be examined every 5 flight cycles in order to make sure that the crack is not expanded. If the crack reaches to the vane slot, reject them.
     (b) If they have cracks which reach to the vane slot, reject them.
     (c) If they are nicked or scratched, accept them.
     (d) If they have holes or missing materials which do not reach to the vane slot, replace the vane assembly within 125 flight hours or 80 flight cycles whichever the sooner. They must be examined every 5 flight cycles in order to make sure that the damage is not expanded. If the damage reaches to the vane slot, reject them.
     (e) If they have holes or missing materials which reach to the vane slot, reject them.
   (10) Examine the joint between the vane and the resin.
     (a) If they show signs of unbond at the joint between the vane and the resin of the inner or the outer platform, accept them if:
       1 The unbonds are less than 0.120in. (3.04mm) in depth.
       2 The unbonds are less than 0.600in. (15.24mm) in depth and less than 1.400in. (35.56mm) in length for each vane end.
       3 An unbond that is more than that in (2_) is permitted on one vane end for each vane assembly.
     (b) If the unbonds are more than in (a), replace the vane assembly within 10 flight hours or 5 flight cycles whichever the sooner.
5. Close-up
Subtask 72-32-88-942-055-A ** ON A/C NOT FOR ALL
A. Remove the Ground Support Equipment
   (1) Remove the workmat from the fan case.
   (2) Remove the access platform(s).
Subtask 72-32-88-410-071-A ** ON A/C NOT FOR ALL
B. 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 72-32-88-410-072-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
   (2) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 13:00:44 UTC