Deactivation of the Emergency Locator Transmitter (ELT)

TASK 25-65-00-040-001-A
Deactivation of the Emergency Locator Transmitter (ELT)

ZONE: 200
FIN: 110MX ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE
261BC

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-23-42-000-002-A	Removal of the Ceiling Panels - Aft Utility Area
TASK 25-23-42-400-002-A	Installation of the Ceiling Panels - Aft Utility Area

3. Job Set-up
Subtask 25-65-00-861-059-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 25-65-00-010-062-A ** ON A/C NOT FOR ALL

B. Get access to the ELT 110MX
(1) Remove the ceiling panel 261BC (Ref. AMM TASK 25-23-42-000-002).

4. Procedure
Subtask 25-65-00-040-050-A ** ON A/C NOT FOR ALL

A. Deactivation of the ELT 110MX
(1) Set the toggle switch to the OFF position.

5. Close-up
Subtask 25-65-00-410-062-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) Install the ceiling panel 261BC (Ref. AMM TASK 25-23-42-400-002).
(3) Make an applicable entry in the logbook.
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

Subtask 25-65-00-862-060-A ** ON A/C NOT FOR ALL

B. De-energize the ground service network (Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:40:59 UTC