DOC AIRBUS | AMM A320FDetailed Inspection of Spinner, Engine Inlet, Fan Blades, Fan Outlet and Abradable Material [CFMI]
TASK 72-23-00-210-003-A
Detailed Inspection of Spinner, Engine Inlet, Fan Blades, Fan Outlet and Abradable Material
1. Reason for the Job
Refer to the MPD TASK: 722000-C1
DETAILED INSPECTION OF SPINER, ENGINE INLET, FAN BLADES, FAN OUTLET AND ABRADABLE MATERIAL.
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 72-23-00-941-063-A ** ON A/C NOT FOR ALL
Subtask 72-23-00-210-052-A ** ON A/C NOT FOR ALL
Subtask 72-23-00-410-061-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:38:42 UTC
Detailed Inspection of Spinner, Engine Inlet, Fan Blades, Fan Outlet and Abradable Material
1. Reason for the Job
Refer to the MPD TASK: 722000-C1
DETAILED INSPECTION OF SPINER, ENGINE INLET, FAN BLADES, FAN OUTLET AND ABRADABLE MATERIAL.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| 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 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-A | Closing of the Fan Cowl Doors |
| TASK 72-00-00-200-005-A | Over-Serviceable-Limit Extensions |
| TASK 72-21-00-210-025-A | Inspect Fan Rotor Blades Installed on the Fan Disk |
| TASK 72-23-00-000-001-A | Removal of the Fan Outlet Guide Vane (OGV) and/or OGV Seal |
| TASK 72-23-00-300-005-A | Local Reconditioning of Abradable Material - Defects less than 0.12 in. (3 mm) deep and 0.50 in.2 (3.2 cm2) |
| TASK 72-23-00-300-009-A | Repair of Fan Composite Outlet Guide Vane (OGV) |
| TASK 72-23-00-300-025-A | Repair of the Abradable (Material) Shroud with Circular Patches |
| TASK 72-23-00-320-001-A | Blending of OGV |
| TASK 72-23-00-400-001-A | Installation of the Fan Outlet Guide Vane (OGV) and/or OGV Seal |
| TASK 78-30-00-081-041-A | Make the Thrust Reverser Serviceable after Maintenance |
| TASK 78-30-00-481-041-A | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-36-00-010-040-A | Opening of the Thrust Reverser Doors |
| TASK 78-36-00-410-040-A | Closing of the Thrust Reverser Doors |
Fan Frame Casing, Fan Inlet Case and Abradable Cartridge - Inspection/CheckSubtask 72-23-00-941-063-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 72-23-00-010-061-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 cowl doors (Ref. AMM TASK 71-13-00-010-040):
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 72-23-00-040-055-A ** ON A/C NOT FOR ALL Subtask 72-23-00-010-069-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
D. Open the thrust reverser doors (Ref. AMM TASK 78-36-00-010-040):
(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 72-23-00-210-052-A ** ON A/C NOT FOR ALL
A. Inspection of the Engine Inlet, Fan Blades, Fan Outlet and Abradable Material
5. Close-up| INSPECT/CHECK | MAXIMUM SERVICEABLE LIMITS | REMARKS |
|---|---|---|
| 1.Inlet case for: | | |
| A.Cracks | Not permitted. | |
| B.Crazing or cracks in the rubber of AGB mount. | Any amount. | |
| C.Nicks | On area A, 0.012 in. (0.30 mm) max. depth and 0.046 sq.in. (30 sq.mm) max. surface On area B, 0.008 in. (0.20 mm) max. depth and 0.046 sq.in. (30 sq.mm) max. surface On area C, 0.012 in. (0.30 mm) max. depth and 0.077 sq.in. (50 sq.mm) max. surface | 50-cycles serviceable extension is allowed. |
| D.Scratches | 0.008 in. (0.20 mm) max. depth and 1.968 in. (50 mm) max. length. | 50-cycles serviceable extension is allowed. |
| E.Dents | On area A, 0.02 in. (0.5 mm) max. depth and 0.124 sq.in. (80 sq.mm) max. surface On area B, 0.008 in. (0.20 mm) max. depth and 0.124 sq.in. (80 sq.mm) max. surface On area C, 0.02 in. (0.5 mm) max. depth and 0.155 sq.in. (100 sq.mm) max. surface | 50-cycles serviceable extension is allowed. |
| F.Wears | On areas A and B, 0.004 in. (0.10 mm) max. depth and 0.465 sq.in. (300 sq.mm) max. surface On area C, 0.004 in. (0.10 mm) max. depth and 0.62 sq.in. (400 sq.mm) max. surface | 50-cycles serviceable extension is allowed. |
| 2.Fan rotor blades (Ref. AMM TASK 72-21-00-210-025). | | |
| 3.Abradable for: | | |
| A.Cracks | Any amount | |
| B.Rubs | Any amount | |
| C.Crater (length<5x Width) and damage other than crack, rub and circumferential defect | Cumulated damage not more than 160 in.2 (1032 cm2) with no one area larger than 30 in.2 (194 cm2) and: a) The maximum axial width (parallel to engine axis) is less than 2.5 in. (63.5 mm). b) The minimum distance between the areas is equal to the maximum dimension of the nearest damaged area. c) The fan case parent metal does not show through. | For defects above these limits: local reconditioning: (Ref. AMM TASK 72-23-00-300-005) Circular patch: (Ref. AMM TASK 72-23-00-300-025) Refer to limits: (Ref. AMM TASK 72-00-00-200-005) |
| D.Grooves (oriented within 0 deg. to 80 deg. from engine axis and length>5x width) | All damage is permitted if: a) The maximum width of one groove is not more than 0.32 in. (8.13 mm) b) A maximum of total width of 1.25 in. (31.75 mm) of groove with a minimum separation of 0.1 in. (2.5 mm) c) The fan case parent metal does not show through. | For defects above these limits: local reconditioning: (Ref. AMM TASK 72-23-00-300-005) Refer to limits: (Ref. AMM TASK 72-00-00-200-005) |
| E.Circumferential defect (360 deg. or oriented within 80 deg. to 90 deg. from engine axis) | All damage is permitted if: a) The maximum axial width (parallel to engine axis) of one or cumulated defect is less than 1.5 in. (38.1 mm) b) The fan case parent metal does not show through. | For defects above these limits: local reconditioning: (Ref. AMM TASK 72-23-00-300-005) Refer to limits: (Ref. AMM TASK 72-00-00-200-005) |
| 4.Aluminum Outlet Guide Vanes (OGV) for: | | |
| A.Broken vane | Not serviceable | Replace the vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001) |
| B.Cracks | Not serviceable | Replace or blend vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001) or (Ref. AMM TASK 72-23-00-320-001) |
| C.Eroded protective coating | 50 percent of airfoil surface | Replace vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001). |
| D.Nicks and/or dents on leading or trailing edges | No limited number if 0.02 in. (0.5 mm) max. depth | Replace or blend vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001) or (Ref. AMM TASK 72-23-00-320-001) |
| E.Nicks and/or dents on concave or convex sides | No limited number, if smooth depression with depth less than half profile thickness. No distortion (bulging) on opposite face | Replace or blend vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001) or (Ref. AMM TASK 72-23-00-320-001) |
| F.Local distortion of vane leading and/or trailing edges | Transverse depth of 0.1 in. (2.54 mm) and 1 in. (25.4 mm) max. longitudinal height | Replace or blend vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001) or (Ref. AMM TASK 72-23-00-320-001) |
| 5.Composite Outlet Guide Vanes (OGV) for: | | |
| A.Broken vane | Not serviceable | (Ref. AMM TASK 72-00-00-200-005) |
| B.Airfoil damage: | | |
| (1)Cracks or Tears on concave or convex sides | Not serviceable | Replace vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001). Refer to extension limits (Ref. AMM TASK 72-00-00-200-005) |
| (2)Nicks, dents or scratches on concave or convex sides | Any number, 0.02 in. (0.5 mm) deep and 1.18 in. (29.97 mm) long. Minimum distance between 2 defects: 0.39 in. (9.9 mm) No delamination (separated layers) | (Ref. AMM TASK 72-00-00-200-005) |
| (3)Missing protective coating | 80 percent of airfoil surface on one side (concave or convex) or 50 percent total airfoil surface | Replace vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001). Refer to extension limits (Ref. AMM TASK 72-00-00-200-005) |
| (4)Delamination (separated layers), split fibers | Not serviceable | Replace vane (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001). Refer to extension limits (Ref. AMM TASK 72-00-00-200-005) |
| C.L/E damage: | | |
| (1)Polyurethane (P/U) missing or damaged | Any amount with no delamination (separated layers) | Apply speed tape (Ref. AMM TASK 72-23-00-300-009) |
| (2)Delamination, split fibers | Not serviceable | (Ref. AMM TASK 72-00-00-200-005) (Ref. AMM TASK 72-23-00-300-009) |
| (3)Nicks, dents, tears | Any amount less than 0.06 in. (1.52 mm) deep. | |
| | Any amount between 0.06 in. (1.52 mm) and 0.12 in. (3.04 mm) deep. | Apply speed tape (Ref. AMM TASK 72-23-00-300-009) |
| | Not serviceable above 0.12 in. (3.04 mm) deep. | Replace vane (Ref. AMM TASK 72-00-00-200-005) |
| (4)Damaged speed tape | Not serviceable | Replace speed tape (Ref. AMM TASK 72-23-00-300-009) |
| D.Metal Leading Edge damage: | | |
| (1)Unbonding of metal leading edge | Up to 0.31 square in. (200 square mm) serviceable if no parent composite material | Replace the vane doublet (Ref. AMM TASK 72-23-00-000-001) and (Ref. AMM TASK 72-23-00-400-001) |
| | Over 0.31 square in. (200 square mm) | Remove the unbonding area. Refer to Para. D.(2) Metal leading edge missing |
| (2)Metal leading edge missing | Up to 0.78 in. (20 mm) height and 0.39 in. (10 mm) wide | 100 cycles extension allowed if missing material is over the maximum serviceable limits. Speed tape (CP2516) usage is recommended when missing metal on leading edge to preserve repair possibilty, avoiding any damage on composite material. |
| E.T/E damage | | |
| (1)Nicks, dents. | Any number, 0.08 in. (2.03 mm) deep and 0.8 in. (20.32 mm) long | Replace vane (Ref. AMM TASK 72-23-00-000-001) (Ref. AMM TASK 72-23-00-400-001) (Ref. AMM TASK 72-00-00-200-005) |
| (2)Tears, fibers exposed | Any number, 0.08 in. (2.03 mm) deep and 0.8 in. (20.32 mm) long | Replace vane (Ref. AMM TASK 72-23-00-000-001) (Ref. AMM TASK 72-23-00-400-001) (Ref. AMM TASK 72-00-00-200-005) |
| 6.OGV bolt cover missing | | |
| A.Bolt cover missing | Max. 20 covers missing | Overserviceability. 100 hours/50 cycles with any number of bolt covers missing |
Subtask 72-23-00-410-061-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 doors (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 72-23-00-440-055-A ** ON A/C NOT FOR ALL Subtask 72-23-00-410-069-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 doors (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR