Cleaning of the Cockpit Display-Units

TASK 12-21-12-100-001-A
Cleaning of the Cockpit Display-Units

ZONE: 210

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

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

B. Referenced Information

REFERENCE	DESIGNATION
TASK 22-82-12-100-001-A	Cleaning of the Multipurpose Control Display Unit (MCDU)
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 31-63-22-100-001-A	Cleaning of the Display Unit
TASK 34-22-25-100-001-A	Cleaning of the ISIS Indicator
Cockpit Display Units
ISIS Indicator ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 12-21-12-861-051-A

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

4. Procedure
Subtask 12-21-12-160-062-A ** ON A/C NOT FOR ALL

A. Cleaning of the Cockpit Display Units

Cockpit Display Units ** ON A/C NOT FOR ALL

(1) Clean the instrument panel Display Unit (DU) (Ref. AMM TASK 31-63-22-100-001).
(2) Clean the Multipurpose Control Display Unit (MCDU) (Ref. AMM TASK 22-82-12-100-001).
(3) Make sure that the work area is clean and clear of tools and other items.

Subtask 12-21-12-160-062-B ** ON A/C NOT FOR ALL

A. Cleaning of the Cockpit Display Units

Cockpit Display Units ** ON A/C NOT FOR ALL

ISIS Indicator ** ON A/C NOT FOR ALL

(1) Clean the instrument panel Display Unit (DU) (Ref. AMM TASK 31-63-22-100-001).
(2) Clean the multipurpose control Display Unit(s) (MCDU) (Ref. AMM TASK 22-82-12-100-001).
(3) Clean the indicator of the Integrated Standby Instrument System (ISIS) if installed (Ref. AMM TASK 34-22-25-100-001).
(4) Make sure that the work area is clean and clear of tools and other items.

5. Close-up
Subtask 12-21-12-862-051-A

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

[Rev.10 from 2021] 2026.03.31 22:56:12 UTC