Uploading of the TAWS Database

TASK 34-72-00-610-001-A
Uploading of the TAWS Database

ZONE: 128
ZONE: 210
FIN: 1000SG ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M(3 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
128	REAR AVIONIC COMPARTMENT
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
824

C. 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 34-72-00-740-001-A	BITE Test of the T/TISS
T/TISS Computer - Face
Compact Flash Card - Location
Compact Flash Card-Eject Pushbutton
T/TISS-TAWS - Maintenance Test Procedure

3. Job Set-up

NOTE: Refer to the equipment supplier Technical News Letter related to the version of the database that you upload.

Subtask 34-72-00-861-050-A ** ON A/C NOT FOR ALL

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)

Subtask 34-72-00-010-050-A ** ON A/C NOT FOR ALL

B. Get access to the avionics compartment.
(1) Put the ACCESS PLATFORM 1M(3 FT) in position at the access door 824.
(2) Open the access door 824.

Subtask 34-72-00-875-056-A ** ON A/C NOT FOR ALL

C. 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

4. Procedure
Subtask 34-72-00-970-050-A ** ON A/C NOT FOR ALL

A. Uploading of the Terrain Database through the Compact Flash Card, with the T/TISS Computer Installed on the Aircraft
(1) Make sure that the aircraft is on ground.
(2) Open the door on the face of the T/TISS computer.
(3) Put the Compact Flash card in its related slot.
(a) Make sure that you insert the card in the correct orientation.
(b) Align the card with the slot and push in firmly.

Compact Flash Card - Location ** ON A/C NOT FOR ALL

(4) The T/TISS computer starts again: all the LEDs come on.
(5) All LEDs go off and the DATA STATUS LED comes on green:

The computer reads the Compact Flash card for approximately one minute.

(6) The DATA STATUS LED flashes:

The computer is loading the contents of the Compact Flash card for more than 17 minutes.

(7) When the upload is completed, the DATA STATUS LED comes on green.
(8) When the upload is satisfactory, push the eject pushbutton and remove the Compact Flash card.

Compact Flash Card-Eject Pushbutton ** ON A/C NOT FOR ALL

(9) Close the door on the face of the T/TISS computer.
(10) The computer starts again: all the LEDs come on.
(11) When all the LEDs go off, the T/TISS computer can operate.
(12) On the MCDU, on the LRU IDENTIFICATION page, do a check of the TAWS database Part Number.

T/TISS-TAWS - Maintenance Test Procedure ** ON A/C NOT FOR ALL

Subtask 34-72-00-740-050-A ** ON A/C NOT FOR ALL

B. Do the BITE test of the T/TISS (Ref. AMM TASK 34-72-00-740-001).

5. Close-up
Subtask 34-72-00-410-050-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access door 824.

Subtask 34-72-00-862-050-A ** ON A/C NOT FOR ALL

B. 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