Removal of the SFCC

TASK 27-51-34-000-001-A
Removal of the SFCC

ZONE: 127
ZONE: 128
FIN: 21CV
FIN: 22CV

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 2M (6 FT) - ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
127	REAR AVIONIC COMPARTMENT
128	REAR AVIONIC COMPARTMENT
824

C. Referenced Information

REFERENCE	DESIGNATION
Slat and Flap Control Computer (SFCC)

3. Job Set-up
Subtask 27-51-34-865-050-A

A. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
FOR FIN: 21CV (SLAT/FLAP CONTR.COMP.)
49VU	FLIGHT CONTROLS/SLT FLP/POS/IND 1	1CN	B12
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B07
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT FLP/POS/IND 1	1CN	B07
49VU	FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1	6CV	B02
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
105VU	ELEC/HOT BUS/701PP SPLY	5PB1	D01
105VU	ELEC/HOT BUS/701PP SPLY	12PB1	E01
FOR FIN: 22CV (SLAT/FLAP CONTR.COMP.)
105VU	ELEC/HOT BUS/702PP SPLY	5PB2	D02
105VU	ELEC/HOT BUS/702PP SPLY	12PB2	E02
** ON A/C NOT FOR ALL
121VU	FLIGHT CONTROLS/SLT FLP/2POS/IND	2CN	P16
** ON A/C ALL
121VU	FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2	8CV	Q21
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21
** ON A/C NOT FOR ALL
121VU	FLIGHT CONTROLS/SLT FLP/2POS/IND	2CN	P21

Subtask 27-51-34-010-050-A

B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(2) Open the access door 824.

4. Procedure
Subtask 27-51-34-020-050-A

A. Removal of the SFCC
(1) Loosen the knurled nuts (4).
(2) Pull the SFCC (1) on its rack (3) to disconnect it from the electrical connectors (2).
(3) Remove the SFCC (1) from its rack (3).
(4) Put CAP - BLANKING on the disconnected electrical connectors (2).

[Rev.10 from 2021] 2026.03.31 23:52:39 UTC