S 416-041-C00
(2)
Close the right and left fan cowl panels (AMM 71-11-02/201).
S 036-042-C00
(3)
Remove the protective mats from the lower half of the inlet cowl.
(a) Make sure there are no tools or parts in the inlet.
S 866-043-C00
(4)
For the applicable engine, remove the DO-NOT-CLOSE tag and close the ENGINE START VALVE circuit breaker.
S 446-044-C00
(5)
Do the activation procedure for the thrust reverser
(AMM 78-31-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FAN FRAME - APPROVED REPAIRS
____________________________
1. General_______
A. This procedure contains the tasks that follow:
(1)
Removal of rust from the fan frame casing.
(2)
Local reconditioning of the abradable shroud.
(3)
Patch repair of the abradable shroud.
(4)
Circular patch repair of the abradable shroud.
(5)
Outlet guide vane blend repair.
(6)
Outlet guide vane speed tape repair.
(7)
Consolidated/fly home repair for an inner radial drive shaft housing leak.
B. You must open the applicable fan cowl and thrust reverser to get access
to the fan frame casing.
TASK 72-33-00-008-001-C00
2. Fan Frame Casing Rust Removal_____________________________
A. Consumable Materials
(1)
Masking tape - lead adhesive, CP2064 (AMM 70-10-01/201)
(2)
Abrasive cloth - silicone carbide, 150 or 180 grit size, CP2189 (or CP2191) (AMM 70-10-01/201)
(3)
Engine Oil
B. References
(1)
AMM 70-10-01/201, Consumable Materials
(2)
AMM 71-11-02/201, Fan Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser
C. Access
(1)
Location Zones
502/602 Left Fan Cowl Panels
503/603 Right Fan Cowl Panels
504/604 Left Thrust Reversers
505/605 Right Thrust Reversers
506 Engine No. 1
606 Engine No. 2
(2)
Access Panels
5737L Engine No. 1 - Right Fan Cowl Panel
5738L Engine No. 1 - Left Thrust Reverser
5739L Engine No. 1 - Right Thrust Reverser
5746L Engine No. 1 - Left Fan Cowl Panel
5837R Engine No. 2 - Right Fan Cowl Panel
5838R Engine No. 2 - Left Thrust Reverser
5839R Engine No. 2 - Right Thrust Reverser
5846R Engine No. 2 - Left Fan Cowl Panel
D. Remove the Rust from the Fan Frame Casing (Fig. 801)
S 018-002-C00
(1) Open the left or right fan cowl panel (AMM 71-11-02/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
RADIAL
FAN FRAME CASING
STRUT
FAN DUCT PANEL
AXIAL
A
S-M56-MM-1034-(1)-00-B
Rust on the Fan Frame Casing Removal Figure 801
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ALL ú ú C02 Page 802 ú Nov 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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