(2)
 Put the access platform in position below the applicable pressure-relief panels: For the LH wing:

 -
below the panels 521AB and 521CB
 For the RH wing:

 -
below the panels 621AB and 621CB.

 Subtask 57-41-37-865-057
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 5CV B06 121VU FLIGHT CONTROLS/SLT/CTL/SYS2 7CV R21
 4. Procedure
_________ (Ref. Fig. 801/TASK 57-41-37-991-008, 802/TASK 57-41-37-991-009, 803/TASK 57-41-37-991-013)

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (Ref. Fig. 804/TASK 57-41-37-991-016)
 **ON A/C 301-399,

 (Ref. Fig. 804A/TASK 57-41-37-991-016-A) R **ON A/C 106-149, 157-199, 209-299, 301-399, 401-499,
 (Ref. Fig. 805/TASK 57-41-37-991-017)
 **ON A/C 001-049, 051-099, 101-105, 151-156, 201-208,

 Subtask 57-41-37-350-051
 A. Repair of the Leading Edge Pressure-Relief Panel 521AB(621AB) After it has Operated
 (1)
 Remove the bolts (10).

 (2)
 Carefully remove the pressure-relief panel 521AB(621AB) (9).

 (3)
 When you remove the pressure-relief panel (9) a part of the landings (1), (3) and (6) will fall. Make a note of the related position of these landings and keep them for later assembly.

 (4)
 Remove the bolts (28).

 Leading Edge Pressure-Relief Panel 521AB(621AB) - Location and Detail Figure 801/TASK 57-41-37-991-008
 1EFF : ALL 1 57-41-37Page 805 1 1 Nov 01/01R 1 1 1CES 1

 Leading Edge Pressure-Relief Panel 521CB(621CB) - Location and Detail Figure 802/TASK 57-41-37-991-009
 1EFF : ALL 1 57-41-37Page 806 1 1 Nov 01/01R 1 1 1CES 1

 INTENTIONALLY BLANK

R 1 1

57-41-37Page 807
1 1 Nov 01/01 1 1 1CES 1

 Leading Edge Pressure-Relief Panels - Details Figure 803/TASK 57-41-37-991-013- 12 (SHEET 1)
 1EFF : 1 1R 1CES  ALL  1 11 1 57-41-37 Page 808 Nov 01/01

 Leading Edge Pressure-Relief Panels - Details Figure 803/TASK 57-41-37-991-013- 22 (SHEET 2)
 1EFF : 1 1R 1CES  ALL  1 11 1 57-41-37 Page 809 Nov 01/01

 Typical Leading Edge Pressure-Relief Panel End Step Tolerance - Details
 Figure 804/TASK 57-41-37-991-016

R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 57-41-37Page 810 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1R Typical Leading Edge Pressure-Relief Panel End Step Tolerance - Details R Figure 804A/TASK 57-41-37-991-016-A

R 1EFF : 301-399, 1 57-41-37Page 811 1 1 May 01/04 1 1 1CES 1

 Leading Edge Pressure-Relief Panel - Trailing Edge Gap-Seal -Location and Detail
 Figure 805/TASK 57-41-37-991-017- 12 (SHEET 1)

R 1EFF : 106-149, 157-199, 209-299, 301-399, 1 57-41-37Page 812 1401-499, 1Aug 01/05 1 1 1CES 1

 Leading Edge Pressure-Relief Panel - Trailing Edge Gap-Seal -Location and Detail
 Figure 805/TASK 57-41-37-991-017- 22 (SHEET 2)

R 1EFF : 106-149, 157-199, 209-299, 301-399, 1 57-41-37Page 813 1401-499, 1Aug 01/05 1 1 1CES 1

 (5)
 Carefully remove the pressure-relief panel 521CB(621CB) (30).

 (6)
 Remove the nuts (2) and the bolts (16) (Ref. SRM 514211).

 (7)
 Remove the part of the landing (1) that is attached to the aircraft structure.

 (8)
 Remove the nuts (5) and the bolts (7) (Ref. SRM 514211).

 (9)
 Remove the part of the landing (6) that is attached to the aircraft structure.

 (10)
 Remove the nuts (4) and the bolts (8) (Ref. SRM 514211).

 (11)
 Remove the part of the landing (3) that is attached to the aircraft structure.

 (12)
 Remove and discard the rivets (15) (Ref. SRM 514211).

 (13)
 Remove and discard the forward angle (14).

 (14)
 Remove and discard the rivets (11) (Ref. SRM 514211).

 (15)
 Remove and discard the rivets (34) (Ref. SRM 514211).

 (16)
 Remove and discard the forward angle (12). NOTE : The forward angle (12) and the forward angle (33) is the same

____ item. The forward angle (12) or (33) attaches the two pressure relief panels 521AB(621AB) and 521CB(621CB) to the aircraft structure.
　
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