
B/E AEROSPACE
COMPONENT MAINTENANCE MANUAL
4521
Page HL-1
11 Jul 2018
25-34-80
Use or disclosure of information on this page is subject to
the restrictions in the proprietary notice of this document.
REVISION NUMBER 02 DATED 11 JULY 2018
HIGHLIGHTS
This Component Maintenance Manual (CMM) with Illustrated Parts List (IPL) has been reviewed for
technical changes resulting from B/E Service Bulletins, B/E Service Information letters, configuration
changes and part improvements. Any existing Temporary Revisions (TRs) against this CMM have been
incorporated with this revision.
This CMM and IPL have been revised. Please replace the old copies of this manual with this Revision
Number 02 dated 11 Jul 2018. A description of the changes follows.
SECTION AND PAGES CHANGE DESCRIPTION
Title Page, T-1 Updated to reflect current revision.
Alert Page, A-1 Updated to reflect current revision.
Record of Revisions,
ROR-1
Updated Record of Revisions to reflect current revision.
Record of Temporary Revisions,
RTR-1
Added TRs 2A, 2B, 2C, 2D, 2E, and 2F to reflect current revision.
Service Bulletin List,
SBL-1
Added SBs 3530-0352-25-002, 3520-0614-25-001, and 4X2X-25-001
as well updated the revision of SBs 3530-0392-25-001,
3530-0364-25-001, 3530-0352-25-001, and 3520-0643-25-001
to the list.
Service Information Letter List,
SIL-1
Added SILs 3520-0643-25-001, 3530-0627-SIL-001,
SIL-4521-2500-112, and 3520-0655-SIL-001 as well updated the
revision of SILs CM-50016-SIL-001 and 3530-0337-SIL-001 to the list.
List of Effective Pages,
LEP-1 and LEP-2
Updated List of Effective Pages to reflect current revision.
Testing and Fault Isolation,
1002, 1005, and 1006
Added Note in paragraph 2.A and prior to paragraph 2.E. as well
updated paragraph 2.E.(9) as per TR 2B.
Testing and Fault Isolation,
1011
Updated Table 1002 to add power button triple and double blink
modes to reflect current revision.
Schematics and Wiring Diagrams,
2002
Updated Figure 2001 as per TR 2E to reflect current revision.
Disassembly,
3003 and 3004
Updated paragraph 2.A.(6)(a)(b)(d)(e)(f)(h through l) as per TR 2D.
Assembly,
7001 and 7002
Added Alodine and Compound, Release in Table 7001 as well added
Figure 7001 and Notes in paragraph 2.A.(1) as per TR 2F.
Assembly,
7003 through 7020
Updated paragraphs 2.A. and renumbered the figure title to reflect
current revision.
Special Tools, Fixtures, Equipment,
and Consumables
9001
Added Alodine and Compound, Release in Table 9001 to reflect
current revision.