Cancel Frequency Analysis [CFMB]

TASK 77-32-34-860-045-A
Cancel Frequency Analysis

FIN: 2EV ** ON A/C NOT FOR ALL

1. Reason for the Job
You can use this procedure when the Frequency Analysis is not necessary.
2. Job Set-up Information
A. 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 31-32-00-860-012-A	Procedure to Get Access to the SYSTEM REPORT/TEST/ENG Page
Cancel the Frequency Analysis - PRE AIRBUS SB 77-1006 (P/N 241-191-000-041)
Cancel the Frequency Analysis - POST AIRBUS SB 77-1006 (P/N 241-246-022-004)

3. Job Set-up
Subtask 77-32-34-861-068-A ** ON A/C NOT FOR ALL

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

Subtask 77-32-34-865-077-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	ENGINE/ENG1 AND 2/EVMU	1EV	R44

Subtask 77-32-34-869-096-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) On the MCDU 1(2), get the SYSTEM REPORT/TEST ENG page (Ref. AMM TASK 31-32-00-860-012).
(2) Push the line key adjacent to the EVMU indication: the first EVMU page comes into view.

4. Procedure
Subtask 77-32-34-860-059-A ** ON A/C NOT FOR ALL

A. Cancel Frequency Analysis Demand

Cancel the Frequency Analysis - PRE AIRBUS SB 77-1006 (P/N 241-191-000-041) ** ON A/C NOT FOR ALL

Cancel the Frequency Analysis - POST AIRBUS SB 77-1006 (P/N 241-246-022-004) ** ON A/C NOT FOR ALL

ACTION	RESULT
1.Push the NEXT PAGE mode key	The second EVMU page comes into view
2.Push the line key adjacent to the FREQUENCY ANALYSIS indication	The EVMU FREQUENCY ANALYSIS menu comes into view
3.Push the line key adjacent to the CANCEL LEFT (RIGHT) related to the engine for which you cancel the Frequency Analysis demand.	The information "wait for system response" comes into view and disappeared to show the EVMU FREQUENCY ANALYSIS menu
4.Push the line key adjacent to the LOAD LEFT (RIGHT) related to the engine for which you want to check the cancellation.	You can read REQUEST OFF FOR N1(N2)
5.On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.

5. Close-up
Subtask 77-32-34-862-068-A ** ON A/C NOT FOR ALL

A. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.02 06:37:44 UTC