
COMPONENT MAINTENANCE MANUAL
1152682
Page 501
Oct 27/06
© Honeywell International Inc. Do not copy without express permission of Honeywell.
23-24-02
CHECK
1.
General
A. Perform a visual check of the ELT system including the transmitter unit, remote panel (if
applicable), AIM or NAIM (if applicable), antenna, interconnecting cables, connectors and any
other associated hardware that may be part of the system. Depending upon the location of the
transmitter unit, this may require the removal of panels or other structural components of the
aircraft to properly access the transmitter unit and associated components.
NOTE: Unless it has been established that the unit is defective, checking should be limited to
external visual checks.
B. Maintenance Schedule
Table 501 lists the tasks recommended for correct operation of the ELT System.
2.
Procedures
A. Transmitter Unit
(1)
Visually check the transmitter unit for any form of deterioration or damage to the outer
shell such as dents, cuts, cracks or warping.
(2)
Visually check the unit for moisture accumulation, fungus or any other form of
contaminating fluid/substance that could be detrimental to the operation of the unit.
(3)
Visually inspect the switch and LED on the front panel of the unit.
TABLE 501. RECOMMENDED MAINTENANCE SCHEDULE
Item
Test
Test Interval
1
Registration Procedure
To be performed before
aircraft enters service.
2
General Inspection Procedures
1 year
3
Installed System Test
1 year
4
Battery Replacement
10 years
5
Fault Isolation Testing
As required
6
Depot Test (refer to TESTING AND
FAULT ISOLATION, page 101)
Note:
These tests are performed on
Transmitter Unit only.
5 years
7
System Self-Test (refer to TESTING AND
FAULT ISOLATION, page 101)
As required by applicable
national authorities.
8
Antenna visual inspection
1 year