Read the CURRENT STATUS of the T/TISS (TAWS part)

TASK 34-72-00-740-002-A
Read the CURRENT STATUS of the T/TISS (TAWS part)

ZONE: 210
FIN: 1000SG ** 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
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

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)
TASK 31-32-00-860-010-A	Procedure to Get Access to the SYSTEM REPORT/TEST NAV Page

3. Job Set-up
Subtask 34-72-00-860-064-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) On the GPWS section of the panel 21VU, make sure that:

the FAULT and OFF legends of the GPWS/SYS pushbutton switch are off (P/BSW pushed),
the FAULT and OFF legends of the GPWS/TERR pushbutton switch are off (P/BSW pushed),
the OFF legends of the GPWS/G/S MODE and the GPWS/FLAP MODE pushbutton switches are off
the ON legend of the GPWS/LDG FLAP 3 pushbutton switches are off.

(3) Do the procedure to get the SYSTEM REPORT/TEST NAV page then push the NEXT PAGE function key until the GPWC indication comes into view (Ref. AMM TASK 31-32-00-860-010).

Subtask 34-72-00-875-061-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	T/TISS	2004SG	K07
121VU	EIS/GPWS/28VDC	2WZ	P06

4. Procedure
Subtask 34-72-00-740-054-A ** ON A/C NOT FOR ALL

A. Read the CURRENT STATUS of the T/TISS (TAWS part)

NOTE: The actions and the results of this procedure occur on the MCDU used.

ACTION	RESULT
1.Push the line key adjacent to the GPWC indication.	the GPWC page comes into view.
2.Push the line key adjacent to the CURRENT STATUS indication.	the CURRENT STATUS page 1/9 comes into view.
3.Push the down arrow key until the CURRENT STATUS pages 1/9 to 9/9 come into view.	the CURRENT STATUS pages 1/9 to 9/9 come into view.

5. Close-up
Subtask 34-72-00-860-065-A ** ON A/C NOT FOR ALL

A. Put the aircraft back to its initial configuration.
(1) On the MCDU, push the line key adjacent to the RETURN indication until the MAINTENANCE MENU 1/2 page comes into view.
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.02 06:23:36 UTC