53-12-12Page 401

 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
R  **ON A/C 054-099, 106-149, 155-199, 201-299, 301-399, 401-499,
 53-12-12-991-001-A Fig. 402B
 **ON A/C 001-049, 101-105, 151-154,
 Post SB 53-1143 For A/C 001-003,
 53-12-12-991-001-C Fig. 402C
 **ON A/C 001-003, 051-053,

 53-12-12-991-003 Fig. 403
R  **ON A/C 001-049, 054-099, 101-149, 151-199, 201-299, 301-399, 401-499, Post SB 53-1143 For A/C 001-003, 53-12-12-991-003-A Fig. 403A **ON A/C 051-051,
 53-12-12-991-002 Fig. 404
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 53-12-12-941-050

 A. Get Access
 (1)
 Put an access platform in position at zone 221 (222).

 (2)
 Open the FWD passenger/crew door 831 (841) (Ref. TASK 52-10-00-010-001).

 EFF : ALL

53-12-12Page 402

 Subtask 53-12-12-020-052
 B. Removal of the Component
 (1)
 Remove the toilets (Ref. TASK 25-41-41-000-001), (Ref. TASK 25-41-42-000-001), (Ref. TASK 25-41-44-000-001) and (Ref. TASK 25-42-41-000-001), if installed.

 (2)
 Remove the galleys (Ref. TASK 25-31-41-000-001), (Ref. TASK 25-31-41-000-002) and (Ref. TASK 25-32-41-000-001), if installed.

 (3)
 Remove the textile floor covering (Ref. TASK 25-28-41-000-001).

 (4)
 Remove the non-textile floor covering (Ref. TASK 25-28-42-000-001).

 4. Procedure
_________
 Subtask 53-12-12-020-053

 A. Removal of the Angles at FR16 and FR20
 (Ref. Fig. 401/TASK 53-12-12-991-004)

 (1) Remove the screws (3) and (5) and the washers (2) and (4).
 (2)
 Remove the angles (1) and (6).
 Subtask 53-12-12-020-050

 B.
 Removal of the Panels from FR12 thru FR24
 **ON A/C 001-003,

 (Ref. Fig. 402/TASK 53-12-12-991-001-B)
 **ON A/C 051-053,

 (Ref. Fig. 402A/TASK 53-12-12-991-001-D) R **ON A/C 054-099, 106-149, 155-199, 201-299, 301-399, 401-499,
 (Ref. Fig. 402B/TASK 53-12-12-991-001-A)
 EFF : ALL

53-12-12Page 403

 Angles at FR16 and FR20 Figure 401/TASK 53-12-12-991-004
R  EFF : CES  ALL  53-12-12 Page 404 Nov 01/02 

R R  Floor Panels at FR12 thru FR24 Figure 402/TASK 53-12-12-991-001-B 
R  EFF :  001-003,  53-12-12 Page 405 Nov 01/02
 CES 

R R  Floor Panels at FR12 thru FR24 Figure 402A/TASK 53-12-12-991-001-D 
R  EFF :  051-053,  53-12-12 Page 406 May 01/05
 CES 

 Floor Panels at FR12 thru FR24 Figure 402B/TASK 53-12-12-991-001-A 
R  EFF : 054-099, 106-149, 155-199, 201-299, 301-399, 401-499,  53-12-12 Page 407 Aug 01/05
 CES 

 **ON A/C 001-049, 101-105, 151-154,

 Post SB 53-1143 For A/C 001-003,
 (Ref. Fig. 402C/TASK 53-12-12-991-001-C)
 **ON A/C ALL

 (1)
 Pull the cords (4) up to remove the sealant from the floor panel joints.

 (2)
 Remove the screws (1). NOTE : Identify the position of the screws when you remove the panels

____ to prevent the incorrect position of the screws during the installation.
 (3) Remove the panels (2).
 **ON A/C 001-003, 051-053,

 (Ref. Fig. 403/TASK 53-12-12-991-003) R **ON A/C 001-049, 054-099, 101-149, 151-199, 201-299, 301-399, 401-499, Post SB 53-1143 For A/C 001-003, (Ref. Fig. 403A/TASK 53-12-12-991-003-A) **ON A/C ALL
 (4)
 Remove the screws (21) and the washers (22) from the panel (23).

 (5)
 Remove the panels (23).

 (6)
 Make sure that the clipnuts (24) are installed on the panels (25).

 EFF : ALL

53-12-12Page 408

R  Floor Panels at FR12 thru FR24 Figure 402C/TASK 53-12-12-991-001-C 
R  EFF :  001-049, 101-105, 151-154,  53-12-12 Page 409 May 01/05
 CES 

 Floor Panels from FR12 thru FR24 Figure 403/TASK 53-12-12-991-003 
R  EFF :  001-003, 051-053,  53-12-12 Page 410 May 01/05
 CES 

 Floor Panels from FR12 thru FR24 Figure 403A/TASK 53-12-12-991-003-A 
　
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