Cleaning of Cabin Sensor Duct and Temperature Sensor

TASK 21-63-00-100-801-A
Cleaning of Cabin Sensor Duct and Temperature Sensor

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 210
ZONE: 230
ZONE: 240
FIN: 21HK
FIN: 22HK
FIN: 23HK

1. Reason for the Job
Refer to the MPD TASK: 216000-01
CLEANING OF CABIN SENSOR DUCT AND TEMPERATURE SENSOR.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	BRUSH - BRISTLED, SOFT
No specific	1	VACUUM CLEANER

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.08BBB1)	Non Aqueous Cleaner-- Petroleum Based -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
230	FWD PASSENGER COMPARTMENT
240	MID PASSENGER COMPARTMENT

D. Referenced Information

REFERENCE	DESIGNATION
TASK 21-63-17-000-001-A	Removal of the Temperature Sensors
TASK 21-63-17-400-001-A	Installation of the Temperature Sensors

3. Job Set-up
Subtask 21-63-00-020-053-A

A. Remove the cockpit (cabin) temperature sensor (Ref. AMM TASK 21-63-17-000-001).

4. Procedure
Subtask 21-63-00-100-051-A

A. Cleaning of the Temperature Sensors

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

(1) Make sure that the temperature sensors are clean and in the correct condition.
(a) If necessary clean the sensors with Non Aqueous Cleaner-- Petroleum Based - (Material No.08BBB1) (or equivalent) , a clean Textile-Lint free Cotton - (Material No.14SBA1) and a BRUSH - BRISTLED, SOFT.
(2) Make sure that the temperature sensor housings, pipe casings, ducts and flexible hoses are free from contamination and in the correct condition.
(a) If there is a layer of dust in a Cabin Temperature Sensor casing, the temperature sensor housings, pipe casings, ducts or flexible hoses, use a VACUUM CLEANER or an air blower to remove it.

NOTE: A high dust concentration can quickly cause sensor contamination.

(3) Do a visual inspection of the area behind the ceiling panels for contamination.

5. Close-up
Subtask 21-63-00-420-050-A

A. Install the cockpit (cabin) temperature sensor (Ref. AMM TASK 21-63-17-400-001).

[Rev.10 from 2021] 2026.04.02 06:11:43 UTC