Removal of the Free-Standing Cabin Attendant Seat (CAS)

TASK 25-22-42-000-001-A
Removal of the Free-Standing Cabin Attendant Seat (CAS)

WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THIS EQUIPMENT. THIS EQUIPMENT IS HEAVY (MORE THAN 12 KG (26.5 lb)) AND CAN CAUSE INJURY AND/OR DAMAGE.

ZONE: 200

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

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	SCRAPER - NON METALLIC
No specific	2	WEDGE - WOODEN

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
Free-Standing Cabin-Attendant Seat ** ON A/C NOT FOR ALL
Free-Standing Cabin-Attendant Seat - Hard Point Mounted ** ON A/C NOT FOR ALL
Free-Standing Cabin-Attendant Seat - Adapter Plate Mounted ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-22-42-861-050-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 25-22-42-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	COM/CIDS/DEU B/ESS	153RH	G03
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU B/NORM	162RH	M08
** ON A/C NOT FOR ALL
121VU	COM / CIDS / DEU B / NORM FWD	193RH	M09
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DEU B/NORM	162RH	M09
** ON A/C NOT FOR ALL
2001VU	CIDS-DEU B-NORM-AFT	194RH	C08

Subtask 25-22-42-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Remove all of the equipment from the stowage compartment of the seat.

4. Procedure
Subtask 25-22-42-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Free-Standing Seat Assembly

Free-Standing Cabin-Attendant Seat ** ON A/C NOT FOR ALL

(1) Pull the end of the synthetic cord to loosen the sealant.
(2) Open the access flap of the free-standing seat assembly (1).
(3) Disconnect the electrical connector (6).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Remove the bolts (2), the washers (3) and the free-standing seat assembly (1).
(6) Remove and discard the packings (4).
(7) If necessary, remove the bushes (5).
(8) With the SCRAPER - NON METALLIC, remove the sealant.

Subtask 25-22-42-020-050-B ** ON A/C NOT FOR ALL

A. Removal of the Seat Assembly (Hard Point mounted)

Free-Standing Cabin-Attendant Seat - Hard Point Mounted ** ON A/C NOT FOR ALL

(1) Open the access flap (1) of the seat assembly (2).
(2) Disconnect the electrical connection:
(a) Release the VELCRO strips and remove the cover (7).
(b) Disconnect the electrical connector (8).
(c) Put a CAP - BLANKING on each disconnected electrical connector.
(3) Remove the seat assembly:
(4) Remove the bolts (5), the washers (4) and the seat assembly (2).
(5) If necessary remove the seals:

NOTE: We recommend that you not remove the seal assembly if you remove the seat for a short time.
If you remove the seal assembly, a new GOODRICH Hard Point Installation-Kit is necessary for the installation procedure.

(a) Remove and discard the O-rings (3).
(b) Carefully release the seals (9) from the floor with a WEDGE - WOODEN and remove the seal carriers (6).
(c) If necessary remove the bushes (10) and the seals (11).

Subtask 25-22-42-020-052-C ** ON A/C NOT FOR ALL

B. Removal of the Seat Assembly (Adapter Plate mounted)

Free-Standing Cabin-Attendant Seat - Adapter Plate Mounted ** ON A/C NOT FOR ALL

(1) Get access:
(a) Release the VELCRO strips and remove the container (8).
(2) Disconnect the electrical connection:
(a) Release the VELCRO strips and remove the cover (3).
(b) Disconnect the electrical connector (4).
(c) Put a CAP - BLANKING on each disconnected electrical connector.
(3) Remove the seat assembly:
(a) Remove the bolts (5), (6) and (7) and the washers (9) and (10).
(b) Close the access flap (1) and remove the seat assembly (2).
(4) If necessary remove the seals:

NOTE: We recommend that you not remove the seal assembly if you remove the seat for a short time.
If you remove the seal assembly, a new GOODRICH Adapter Installation-Kit is necessary for the installation procedure.

(a) Carefully release the seals (13) and (16) from the floor with a WEDGE - WOODEN and remove the seal carrier/stop fittings (12) and the seal carrier (15).
(b) Record the position of the track fittings (14) for the installation procedure.
(c) Remove the track fittings (14), the bushes (17) and the seals (18).

[Rev.10 from 2021] 2026.04.01 03:49:34 UTC