Replacement of the LED of the Lighted Icing Indicator

TASK 30-81-21-960-001-A
Replacement of the LED of the Lighted Icing Indicator

WARNING: MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE OPENED, SAFETIED AND TAGGED.

FIN: 16DD

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 30-81-21-000-001-A	Removal of the Lighted Icing Indicator
TASK 30-81-21-400-001-A	Installation of the Lighted Icing Indicator

3. Job Set-up
Subtask 30-81-21-861-052-A

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

4. Procedure
Subtask 30-81-21-020-052-A

A. Removal of the LED of the Lighted Icing Indicator
(1) Remove the lighted icing indicator (Ref. AMM TASK 30-81-21-000-001) and send in shop for the replacement of the LED.
(2) Install the lighted icing indicator (Ref. AMM TASK 30-81-21-400-001).

5. Close-up
Subtask 30-81-21-862-053-A

A. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 00:33:07 UTC