-
THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.

 WARNING : STOP THE OPENING PROCEDURE IF THE RED WARNING LIGHT FLASHES.
_______ RESIDUAL PRESSURE COULD CAUSE THE DOOR TO OPEN WITH A SUDDEN FORCE AND INJURE PERSONS AND/OR DAMAGE THE AIRCRAFT.
R (1) Put an access platform in position in front of the applicable R passenger/crew door.
 (2)
 Open the applicable passenger/crew door 831 or 841 or 832 or 842 (Ref. TASK 52-10-00-010-001).

 (3)
 Obey the special precautions before you start work on the door. (Ref. TASK 52-10-00-860-001)

 Subtask 52-10-00-865-052
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU EIS/SLIDES/ARM AND WARN/FLT 15WN P11 121VU EIS/SLIDES/ARM AND WARN/GND 13WN P10 121VU EIS/SDAC1 AND 2/DOOR/DET/PAX 48WV P05
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 Subtask 52-10-00-010-088
 C. Removal of the Door Support Arm Lining.
 (1) Remove the support arm lining panels:
R R  (a) For the forward passenger/crew doors: (Ref. TASK 25-23-46-000-001). - for the left door 831FZ, 831GZ - for the right door 841FZ, 841GZ
R R  (b) For the aft passenger/crew doors: - for the left door 832FZ, 832GZ - for the right door 842FZ, 842GZ. (Ref. TASK 25-23-46-000-002).
 4. Procedure_________
 Subtask 52-10-00-210-056
 A. Visual Inspection of the Support Arm.
 (1) Do a check of the connections between the door and the support arm with a flashlight and a mirror.
 (2) Examine the support arm for cracks, signs of corrosion and marks.
 Subtask 52-10-00-869-054
 B. Aircraft Maintenance Configuration
 (1) Put the door in the up position, out of the frame.
 Subtask 52-10-00-720-053
 C. Functional Test of the Door Suspension.
 (1) Make sure that the door moves easily along the fuselage. Adjust the guide arms if necessary: - for the forward passenger/crew door: (Ref. TASK 52-11-00-820-001), - for the aft passenger/crew door: (Ref. TASK 52-13-00-820-001).
 (2) Fully open the door and make sure that it is locked.

 Subtask 52-10-00-220-055
 D. Check of the Load of the Pushbutton Switch. (Ref. Fig. 501/TASK 52-10-00-991-038) 
R R R R R R  (1) With a compression dynamometer apply a load on the pushbutton switch (1) on the door support arm. Measure the load necessary to release the door. The load must be less than or equal to 6 daN (13.4885 lbf). If not, adjust the buffer: - for the forward passenger/crew door (Ref. TASK 52-11-00-820-001) - for the aft passenger/crew door (Ref. TASK 52-13-00-820-001).
 Subtask 52-10-00-410-085
 E. Closing of the Door.
 (1) Close the door from the inside.
 5. Close-up________
 Subtask 52-10-00-410-098
 A. Installation of the Door Support Arm Lining.
 (1) Install the support arm lining panels: (Ref. TASK 25-23-46-400-001),
 (a) for the forward passenger/crew doors: - for the left door 831FZ, 831GZ, - for the right door 841FZ, 841GZ.
 (b) for the aft passenger/crew doors: (Ref. TASK 25-23-46-400-002). - for the left door 832FZ, 832GZ, - for the right door 842FZ, 842GZ.
 Subtask 52-10-00-865-053
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 13WN, 15WN, 48WV.

 Pushbutton Switch Location
 Figure 501/TASK 52-10-00-991-038
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 Subtask 52-10-00-410-054
 C. Close Access
 (1)
 Obey the special precautions after the work on the door. (Ref. TASK 52-10-00-860-002)

 (2)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (3)
 Close the applicable passenger/crew door 831 or 841
 832 or 842 (Ref. TASK 52-10-00-410-001).

 (4)
 Remove the access platform(s).

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 Functional Test of the Visual Indicator of the Door Locking Mechanism
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 521000-09
　
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