Reactivation of the CDLS Normal System

TASK 52-51-00-440-006-A
Reactivation of the CDLS Normal System

ZONE: 212

1. Reason for the Job
MMEL 52-51-01B
CDLS NORMAL SYSTEM
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
212	COCKPIT

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
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)

3. Job Set-up
Subtask 52-51-00-860-077-A

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that access to the cockpit is available.

Subtask 52-51-00-865-065-A

B. Table of the circuit breakers used in this procedure:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	DOORS/PAX/MONG	1MQ	T13
** ON A/C NOT FOR ALL
122VU	DOORS CKPT LOCK	1MQ	T13
122VU	COCKPIT DOOR LOCK SYSTEM	1MQ	T13

4. Procedure
Subtask 52-51-00-440-057-A

A. Reactivation of the CDLS Normal System
(1) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

1MQ.

Subtask 52-51-00-710-063-A

B. Test Procedure
(1) Do the troubleshooting procedure of the cockpit-door locking system (Ref. TSM 52-51-00-02 CONF 00).

5. Close-up
Subtask 52-51-00-860-116-A

A. Put the Aircraft back to the Serviceable Condition
(1) Make sure that the work area is clean and clear of tools and other items.
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(3) Make an entry in the logbook.

[Rev.10 from 2021] 2026.04.01 04:14:36 UTC